Saturday, January 4, 2020

(not confirmed) Treating Snake Bites

Amazonian Tribe Shares the Secret of Treating Snake Bites

BIODIVERSITY COMMUNITIES FORESTS APR 27, 2017
Will Tucker
What are the biggest hazards of life in the Amazon rainforest? Many outsiders might peg snakes at the top of the list: the region is home to dozens of venomous snakes, among other fearsome reptiles, fish, insects, and mammals.

The unassuming plant credited with saving two lives this year (Tashka Yawanawa)
The Amazonian plant that recently saved two lives
(Photo: Tashka Yawanawa)

But the Yawanawa, a tribe of 1,250 people living at the heart of the Brazilian Amazon, have never regarded snakes as much cause for alarm – not even those whose fangs pack a potent punch. In fact, the community hasn’t seen a single death from venomous snake bites in its history, thanks to a deep knowledge of over 2,000 medicinal plants that’s been passed down for generations.
That record was tested early this year, when two members of the tribe – one of them a 14-year-old boy – were bitten by deadly snakes in separate incidents at virtually the same time. One seasoned medicine man, an elder known affectionately as Tio Luis (“Uncle Luis”), rushed to tend to one victim while Edilino, his teenage apprentice, ran to treat the other. Before parting ways, the elder Luis encouraged his nervous assistant:
“This is your opportunity to see if you have learned what I’ve been teaching you!”
Luckily, Tio Luis’s teachings had done the trick, and both patients survived as a result. But that might not always be the case – not without efforts to prevent these traditions from disappearing with the last generation of medicinal plant masters.

Edilino, teenage botanist-in-training (Photo: Tashka Yawanawa)

Losing this kind of traditional knowledge threatens more than just local community health; it also hampers the global fight against climate change, which relies on keeping the Amazon’s forests standing and soaking up massive amounts of carbon dioxide. Indigenous and traditional communities like the Yawanawa are the world’s most effective forest stewards, and preserving their understanding of nature and its resources ensures that they can sustainably manage and protect their forest homelands.
That’s why the Yawanawa have captured their long-held botanical expertise in a new illustrated field guide that helps members of the community identify and use life-saving medicinal plants. The poster, released in late March, details 21 medicinal plants the Yawanawa have traditionally used to treat poisonous snake bites. There’s “Runa Nushi,” a creeping vine with smooth, almond-shaped leaves; “Pitsuru Pãni,” with waxy, canoe-shaped leaflets alternating along straight branches; and “Runa Kene,” whose oak-like foliage is especially adept at soaking up venom. Each entry features an artful botanical illustration, along with reference photos and descriptions in Portuguese.

CatazPlantasPRONTO-2-4
Yawanawa field guide to 21 plants used to treat poisonous snake bites (click to enlarge)

You won’t find any of these names on Google, but over many generations the Yawanawa have slowly recognized and mastered their life-saving properties. Today, with the help of Forest Trends’ Communities Initiative, the Yawanawa are expanding their network of “living pharmacies” by building new medicinal plant gardens in their villages and by cultivating these plants in agroforestry systems throughout the surrounding tropical forest. One of these gardens is devoted specifically to plant species that help treat poisonous snake bites. Part laboratory and part classroom, each of the living pharmacies provides a space where elders like Tio Luis can impart their vast expertise to young Yawanawa through hands-on teaching.
This inter-generational exchange will be made easier by the new field guide, which is a product of a partnership between the Yawanawa Socio-Cultural Association, Forest Trends, and the Brazilian Agricultural Research Agency (EMBRAPA), with funding support from the IKEA Foundation and the United States Agency for International Development (USAID). The guide was released at a community gathering in Escondido Village, one of the small settlements that dots the indigenous tribe’s sprawling rainforest territory of approximately 800 square miles. In attendance were Augustinho and Kashahu, the two recent snake bite survivors, whose presence is a testament to the project’s importance.

Forest Trends and USAID staff traveled to Yawanawa territory for the poster launch (Photo: Stephen Donofrio/Martin Hoffman)

Beto Borges, Director of Forest Trends’ Communities Initiative, was on hand to celebrate the launch of the new publication. He points out that the Living Pharmacy led by the Yawanawa, as well as a similar botanical initiative being undertaken by the Surui indigenous community to the east, have impacts that go far beyond saving a handful of lives.
“For us at the Communities Initiative, this underscores that partnerships with individual indigenous communities like the Yawanawa, which may seem like isolated efforts, actually provide a blueprint for broader, more coordinated work to empower communities,” Borges said. “It is also evidence that investments that directly benefit indigenous and other traditional forest peoples at the community level are some of the most effective and cost-effective investments we can make to fight climate change and preserve biodiversity.”
That last part is especially notable, since all of us rely heavily on the Amazon’s vast biological cornucopia for many of our medicines – not to mention a dizzying number yet-to-be developed. For that reason, the whole world should be celebrating with the Yawanawa and rooting for many more successes to come.

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Logo of ajtcamLink to Publisher's site
. 2012; 9(1): 153–174.
Published online 2011 Oct 2. doi: 10.4314/ajtcam.v9i1.20
PMCID: PMC3746536
PMID: 23983332

Traditional Use of Plants Against Snakebite in Indian Subcontinent: A Review of the Recent Literature

Introduction

Since time immemorial human society has developed amidst with the plant-life (). The importance of community-based ethnobotanical knowledge is ever-increasing for designing strategies for sustainable use and conservation of plant wealth, appropriate drugs and dose-illness relationship (). Snakebite, a medical emergency encountered in the tropics and estimated 35,000 to 50,000 people die of snakebite every year in India (). The common poisonous snakes found in India are Cobra (Naja naja), Krait (Bangarus caeruleus), Russell's viper (Daboia russelli) and Saw-scaled viper (Echis carinatus) (). Cases of snakebite have been reported from India (), Pakistan (), Nepal (), Bangladesh () and other adjoining countries such as Burma (), Sri Lanka () etc. Many medicinal plants are recommended for the treatment of snakebite (). Some ethnobotanicals have been confirmed to have snake venom neutralizing properties (). Medicinal plants and plant based natural products have been reported to possess anti venomous properties assayed in laboratories and correlating them with ethnopharmacological studies (). Natural inhibitors of snake venoms have been reported by . Certain compounds such as β-sitosterol, stigmasterol (), isolated from plants were found to be effective against snake venom. Inhibition of Naja kaouthia venom activities by plant polyphenols was reported by .
Some plants used for snake venom neutralization traditionally have been tested pharmacologically for their anti snake venom efficacy. Folk plants against snakebites in Southern part of Tamilnadu, India, have been surveyed by . Anti snake venom botanicals from ethnomedicine and their pharmacological and clinical studies have been reported by ,). Pharmacolgical evaluation of Bangladeshi medicinal plants has been reviewed by  with some reports on plants used against snakebite.

Enumeration

The authors have compiled the data collected from available reports on plants used against snakebite from Indian subcontinent (India, Bangladesh, Pakistan and Nepal) in the last few years. The plant families (F1–F73) and species (1–198) are documented alphabetically on the basis of respective families, genera and species and indicated numerically.

Angiosperms

F1. Family: Acanthaceae

1. Acanthus ilicifolius L.
Vernacular names: Kazhimulli (Pichavaram mangroves of East Coast, Tamil Nadu, India); Harakancha (Bhitarkanika wildlife sanctuary, Orissa, India)
Crushed fruits are used for dressing snakebite by the local communities of Pichavaram mangroves of East Coast, Tamil Nadu, India (). The plant is also being used against snakebite by the inhabitants of Bhitarkanika wildlife sanctuary, Orissa, India ().
2. Adhatoda vasica Nees (Justicia adhatoda L.)
Vernacular name: Kolyar Sag (Ayubia National Park, Pakistan)
The plant is used in snakebite in the region of Ayubia National Park, Pakistan ().
3. Andrographis paniculata (Burm. f.) Wall. ex Nees
Vernacular name: Hirota (Khamti tribe, Arunachal Pradesh, India)
Leaf powder of the plant along with Evolvulus alsinoides, roots of Aristolochia indica, Cryptolepis buchananii, Ichnocarpus frutescens, Rauvolfia serpentina and Rhinacanthus nasutus is administered orally in snakebite by the people of Tamil Nadu, India (). Khamti tribe of Arunachal Pradesh, India uses seed powder orally to counter snake poison (). Korku community of central India uses plant paste with mustard oil on wounds ().
4. Barleria cristata L.
Vernacular names: Tadrelu, Bansa siyah (Margallah Hills National Park, Islamabad, Pakistan)
Sahariya community of central India uses seed extract on wounds (). It is also being used by the people of Margallah Hills National Park, Islamabad, Pakistan ().
5. Elytraria acaulis (L. f.) Lindau
Vernacular name: Sahasmuria (Chitrakoot, Madhya Pradesh, India)
Root paste with black piper is applied on snakebite by the tribal communities of Chitrakoot, Madhya Pradesh, India ().
6. Lepidagathis cristata Willd.
Vernacular name: Siyarbethca (Chitrakoot, Madhya Pradesh, India)
Leaf juice with copper sulphate is given during snakebite for regaining consciousness by the tribal communities of Chitrakoot, Madhya Pradesh, India ().
7. Peristrophe paniculata (Forssk.) Brummitt
Vernacular name: Atrilal (Sariska and Siliserh regions, Alwar district, Rajasthan, India)
This plant (common name: Atrilal) is used by the people of Sariska and Siliserh regions from Alwar district of Rajasthan, India. Whole plant macerated in an infusion of rice, is taken orally in large quantity as an antidote ().
8. Thunbergia grandiflora Roxb.
To treat snakebites, this plant is used with other plants by the Karbi tribes of Assam, India ().

F2. Family: Acoraceae

9. Acorus calamus L.
Vernacular name: Skha waja (Buner, NWFP, Pakistan)
While discussing the effect of polyherbal unani formulation on chronic urticaria, the plant was reported against snakebite ().  have mentioned the use of rhizome against snakebite in district Buner, NWFP, Pakistan. In Swat valley, Pakistan this plant is also used for the same purpose (). Korku and Gond communities of central India use root paste on wounds ().  have mentioned its use against snakebite in a report describing herbal remedies of wetland macrophytes in India.

F3. Family: Amaranthaceae

10. Achyranthes aspera L.
Vernacular names: Nayurivi (Kanyakumari district, Tamil Nadu, India); Hatijhara (Bijagarh, West Nimar district, Madhya Pradesh, India); Apang (Lahore-Islamabad Motorway M-2); Ubat Kandri (Nara desert, Pakistan); Chaim-per-on (Chittagong Hill Tracts region, Bangladesh); Chichidi (Chatara block, district Sonebhadra, Uttar Pradesh, India); Chirchiri/Latjira (Rewa district, Madhya Pradesh, India)
Inflorescence and seed paste is applied on the wounds by the rural people of Kanyakumari district, Tamil Nadu, India (). Leaf juice is applied by the tribes of Bijagarh, West Nimar district, Madhya Pradesh, India (). Every part of the plant (local name: Apang) found in the Lahore-Islamabad Motorway (M-2) is recommended in the treatment of snakebite (). Sahariya community of central India uses root and plant paste as poultice on wounds (). The plant is being reported as a part of folklore against snakebite from Nara desert, Pakistan (). Root paste is applied by the Rakhain tribe inhabiting the Chittagong Hill Tracts region of Bangladesh in case of poisonous animal bites including snakes (). Root powder is used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India (). This plant is being used by the kavirajes (local medical practitioners) within Rampal upazilla of Bagerhat district, Bangladesh (). Whole plant extract is given orally once as antidote to snakebite by the tribes of Rewa district, Madhya Pradesh, India ().
11. Achyranthes bidentata Blume
Vernacular name: Golda (Jaunsari tribe, Garhwal Himalaya, Uttaranchal)
Jaunsari tribe of Garhwal Himalaya, Uttaranchal uses plant extract or root paste ().
12. Achyranthes porphyristachya Wall. ex Moq.
Sahariya community of central India uses root paste on wounds ().
13. Aerva lanata (L.) Juss. ex Schult.
Crushed roots are given orally as a part of indigenous healthcare practices in Udaipur district, Rajasthan, India ().
14. Amaranthus blitum L.
Vernacular name: Chjaurai (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Sahariya community of central India takes root powder orally (). The powder is also being used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
15. Amaranthus Spinosus L.
Vernacular names: Kontamariso (Malkangiri district of Orissa, India); Kateli Chaurai (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Leaf juice is applied locally by the tribes of Malkangiri district of Orissa, India ().The species is also being used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
16. Amaranthus viridis L.
Vernacular names: Chanlai, Chaulai, Dhindo (Margallah Hills National Park, Islamabad, Pakistan); Cholai (Tehsil Chakwal, Pakistan)
Santals of Rajshahi district, Bangladesh apply crushed whole plant to snakebites. At the same time juice from crushed chiari gach (unidentified plant) is taken (). It is being used in snakebite by the people of Margallah Hills National Park, Islamabad, Pakistan (). Crushed leaves are applied by the indigenous people of Tehsil Chakwal, Pakistan ().
17. Chenopodium album L.
Vernacular names: Bathueya, Batho (Margallah Hills National Park, Islamabad, Pakistan)
Tha plant is being used as an antidote by the people of Margallah Hills National Park, Islamabad, Pakistan ().

F4. Family: Amaryllidaceae

18. Allium cepa L.
Vernacular name: Piaj (Keshavraipatan Tehsil, Bundi district, Rajasthan, India)
People of Keshavraipatan Tehsil of Bundi district, Rajasthan, India uses two teaspoonful bulb juice of the plant mixed with mustard oil and administers to expel poison by vomiting (). Bheel community of central India uses bulb extract mixed with mustard oil ().

F5. Family: Anacardiaceae

19. Buchanania lanzan Spreng.
Vernacular names: Kolamavu (Kalrayan and Shervarayan hills, Eastern Ghats, Tamil Nadu, India); Chironji (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Bark is used by the people of Kalrayan and Shervarayan hills, Eastern Ghats, Tamil Nadu, India () and Chatara block of district Sonebhadra, Uttar Pradesh, India ().
20. Mangifera indica L.
Vernacular name: Aam (Tharu tribe, Devipatan division, Terai belt, Uttar Pradesh)
As a protective measure against snakebite, inflorescence of the plant (local name: Aam) is massaged on hands by the Tharu tribe of Devipatan division in the Terai belt of Uttar Pradesh ().

F6. Family: Annonaceae

21. Annona squamosa L.
Incision of snakebite is washed with this plant's juice and then Datura metel leaf paste is applied by the Nicobarese of Car Nicobar, India ().
22. Miliusa eriocarpa Dunn.
Vernacular name: Karu naarai (Tirunelveli hills, Tamil Nadu, India)
Leaf decoction along with stem bark of Murraya koenigii, leaves of Terminalia bellirica and Zizyphus xylopyra is heated first and then taken internally to treat snakebite by the tribals of Tirunelveli hills, Tamil Nadu, India ().

F7. Family: Apocynaceae

23. Alstonia scholaris (L.) R. Br.
Vernacular name: Maddale (NR Pura taluk, Chikmagalur district, Karnataka, India)
Stem bark is given to chew during snakebite by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().
24. Calotropis gigantea (L.) R.Br.
Vernacular name: Arka (Sundargarh district, Orissa, India)
Fresh root with milk of cow, is ground to a fine paste and taken as an antidote for snakebite by the people of Sundargarh district, Orissa, India ().
25. Calotropis procera (Aiton) W.T. Aiton
Vernacular names: Biliekke (Bhadra wildlife sanctuary, Maland region, Western Ghats, India); Vellerukku (Kumaragiri hills, Salem district, Tamilnadu, India); Aragh/Karag (Kalat and Khuzdar regions of Balochistan, Pakistan); Sada akondo (villages adjoining Ghaghot, Bangali and Padma rivers of Bangladesh)
About three drops of latex are put on the snake bitten area and pressed downward to bleed by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India (). Use of latex is also being reported against snakebite in the Indian desert of Rajasthan (). Bheel community of central India prescribes root extract two cups a day (). Flower powder is mixed with black pepper and taken in snakebites by the villagers in Kumaragiri hills of Salem district of Tamilnadu, India (). The plant is reported against snakebite in a survey of indigenous knowledge of folk medicine by the women of Kalat and Khuzdar regions of Balochistan, Pakistan (). Leaves and roots are used by the folk medicinal healers in villages adjoining the Ghaghot, Bangali and Padma rivers of Bangladesh ().
26. Cryptolepis buchananii Schult.
Vernacular name: Karibantana balli (Uttara Kannada district, Karnataka, India)
About 100 g leaves, crushed in buttermilk is given twice to the cattle in snakebite (Haavu kachchuvudu) by the rural folk of Uttara Kannada district, Karnataka, India ().
27. Ervatamia coronaria (Jacq.) Stapf
Root and bark infusion of the plant and Leucas aspera leaves with roots of Ocimum adscendens and bark of Artocarpus mixed with milk and butter are filtered and used in snakebite by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().
28. Hemidesmus indicus (L.) R. Br.
Vernacular names: Anantamul, Analsing (Purulia district, West Bengal, India)
Root paste is applied as an antidote to snakebite by the tribals of Purulia district, West Bengal, India () while Korku community of central India uses pounded roots ().  has also mentioned its usefulness in his review.
29. Holarrhena antidysenterica (L.) Wall. ex A. DC.
Vernacular name: Kurai (Sundargarh District, Orissa, India)
 have reported the use of the bark against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean. , in an ethno-medicobotanical study of Sundargarh District, Orissa, India, have reported the roots rubbed on a stone with a few drops of water and the paste obtained is given internally and applied externally in snakebite.
30. Nerium indicum Mill.
Vernacular names: Lal kaner (Solan, Himachal Pradesh, India); Kaner/Kanali (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Leaves are used by the indigenous people of Kunihar forest division, district Solan, Himachal Pradesh, India (). Roots are used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
31. Nerium oleander L.
Vernacular names: Zangi Gul (Mahal Kohistan, Khirthar National Park, Pakistan); Kanair, Ganira (Margallah Hills National Park, Islamabad, Pakistan)
In Mahal Kohistan (Khirthar National Park), Pakistan () and Margallah Hills National Park, Islamabad, Pakistan (), the plant is used against snakebite.
32. Nerium odorum Sol.
Vernacular name: Kaner (Lahore-Islamabad Motorway M-2) The plant found in the Lahore-Islamabad Motorway (M-2) is recommended in the treatment of snakebite ().
33. Rauvolfia serpentina (L.) Benth. ex Kurz
Vernacular names: Sarpagandhi (Bhadra wildlife sanctuary and NR Pura taluk, Chikmagalur district of Karnataka, India); Sarpaganthi (Kanyakumari district, Tamil Nadu, India); Serpagandha (Shahjahanpur district, Uttar Pradesh, India); Sarpagandha (Chatara block, district Sonebhadra, Uttar Pradesh, India) A review on this plant describes its ethnobotanical use against snakebite in different parts of India (). Roots and leaf buds are crushed with milk and made into a paste and used internally and externally on the affected area by the medicine men of Bhadra wildlife sanctuary, Karnataka, India (). Rhizome and root decoction is given orally by the rural people of Kanyakumari district, Tamil Nadu, India (). Leaf paste is given by the rural communities of Shahjahanpur district, Uttar Pradesh, India (). This plant is being used against snakebite by the kavirajes (local medical practitioners) within Rampal upazilla of Bagerhat district, Bangladesh (). Squeezed root is tied on the snake bitten area in NR Pura taluk in Chikmagalur district of Karnataka, India (). It is used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India (). Leaf and root are used by the folk medicinal practitioners in three villages of Natore and Rajshahi districts, Bangladesh ().
34. Rauvolfia tetraphylla L.
Vernacular name: Patalagarudi (Sundargarh District, Orissa, India)
Root paste (25 g) is fed to the victim slowly by the people of Sundargarh District, Orissa, India ().
35. Rhazya stricta Decne.
Vernacular name: Sainwar (Mahal Kohistan, Khirthar National Park, Pakistan)
The plant is used against snakebite by the people of Mahal Kohistan (Khirthar National Park), Pakistan ().
36. Tabernaemontana divaricata (L.) R. Br. ex Roem. & Schult.
Vernacular name: Nandi battalu (NR Pura taluk, Chikmagalur district, Karnataka, India)
Root paste is administered with butter milk by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().
37. Tylophora indica (Burm. f.) Merr.
Vernacular name: Adumuttada balli (Bidar district, Karnataka, India)
Handful of leaves is crushed in urine of snake bitten person and 2–3 drops of extract is passed through the nostrils by the traditional people of Bidar district, Karnataka, India ().
38. Willughbeia edulis Roxb.
Vernacular name: Surjamukhi ludi (Chakma tribes in Hill Tracts districts, Bangladesh)
Leaf paste is taken by the Chakma tribes in Hill Tracts districts of Bangladesh ().

F8. Family: Araceae

39. Arisaema jacquemontii Blume
Vernacular names: Khaprya/Saperi mausi (Jaunsari tribe of Garhwal Himalaya, Uttaranchal); Marjary (Kot Manzaray Baba Valley Malakand Agency, Pakistan)
Jaunsari tribe of Garhwal Himalaya, Uttaranchal uses fruit decoction (). It is reported against snakebite in an ethnobotanical survey in Kot Manzaray Baba Valley Malakand Agency, Pakistan ().
40. Arisaema tortuosum (Wall.) Schott
Vernacular names: Chhamboos/Bagmungri (Jaunsari tribe of Garhwal Himalaya, Uttaranchal)
Jaunsari tribe of Garhwal Himalaya, Uttaranchal uses tuber paste externally to treat snakebite ().
41. Sauromatum venosum (Aiton) Kunth
Vernacular name: Sanp the boti (Margallah Hills National Park, Islamabad, Pakistan)
The plant is used as stimulating poultice by the people of Margallah Hills National Park, Islamabad, Pakistan ().

F9. Family: Arecaceae

42. Nypa fruticans Wurmb
Vernacular name: Nipa (Bhitarkanika wildlife sanctuary, Orissa, India)
The plant is used by the inhabitants of Bhitarkanika wildlife sanctuary, Orissa, India ().

F10. Family: Aristolochiaceae

43. Aristolochia bracteata Retz.
Vernacular name: Aduthinnapalai (Kumaragiri hills of Salem district of Tamilnadu, India)
Leaf paste is applied on snakebites by the villagers in Kumaragiri hills of Salem district of Tamilnadu, India ().
44. Aristolochia indica L.
Vernacular names: Ishwarmul/Kirmar (Gond Tribe of Naoradehi wild life sanctuary, Madhya Pradesh, India); Beelieshwari balli (Bidar district, Karnataka, India); Iswaramuli (Kanyakumari district, Tamil Nadu, India); Ishermul, Bhedi-Janete (Purulia district, West Bengal, India); Iswar (Malkangiri district of Orissa, India); Perumarindu (Kumaragiri hills of Salem district of Tamilnadu, India); Choto ishe (Jessore district of Bangladesh); Iche gach (Balidha village in Jessore district, Bangladesh); Ishwarmul (Station Purbo Para village of Jamalpur Sadar Upazila in Jamalpur district, Bangladesh)
A. indica has been described as an important ethnobotanical remedy against snakebite (). Gond Tribe of Naoradehi wild life sanctuary, Madhya Pradesh, India uses leaf paste externally. They also use roots and eat leaves for the same purpose (). Fresh or shade dried leaves are crushed with Piper nigrum to make pills, two of which are taken internally twice a day by the traditional people of Bidar district, Karnataka, India (). Leaf and root paste is applied by the rural people of Kanyakumari district, Tamil Nadu, India (). Root paste with paste of seven long peppers is prescribed as an antidote by the tribals of Purulia district, West Bengal, India (). The juice of fresh root is given in snakebite by the tribes of Malkangiri district of Orissa, India (). Root paste is applied by the villagers in Kumaragiri hills of Salem district of Tamilnadu, India (). Roots are chewed to destroy snake poison in Jessore district of Bangladesh (). This plant is used by the kavirajes (local medical practitioners) within Bagerhat Sadar upazilla of Bagerhat district and Bagha upazilla of Rajshahi district, Bangladesh (). Root is used by the kavirajes of Balidha village in Jessore district, Bangladesh (). Whole plant is used in snakebite by the folk medicinal practitioners of Station Purbo Para village of Jamalpur Sadar Upazila in Jamalpur district, Bangladesh. The plant is kept in the home or tied to the body to prevent snakes from biting. Juice is given to snake-bitten patients (). Leaf and root are used by the folk medicinal practitioners in three villages of Natore and Rajshahi districts, Bangladesh (). Malasar tribe in Coimbatore District of Tamil Nadu (South India) uses it against snakebite ().
45. Aristolochia krisagathra Sivar. & Pradeep
Vernacular name: Akaasha karudan (Tirunelveli hills, Tamil Nadu, India)
Juice of leaf and rhizome along with leaf and rhizome of Aristolochia indica, unripened fruit and stem bark of Melia azedarach, leaves of Cryptolepis buchananii and seeds of Strychnos nux-vomica with neem (Melia azedarach) oil is applied externally on skin for 40 days in snakebite by the tribals of Tirunelveli hills, Tamil Nadu, India ().
46. Aristolochia tagala Cham.
Vernacular name: Jarboporol (Chittagong Hill Tracts, Bangladesh)
A. tagala has been used traditionally in the treatment of snakebite (). It is being used by the tribal people of Chittagong hill tracts of Bangladesh. Root paste is applied immediately after snakebite and fresh leaf juice is given orally to reduce venom action ().

F11. Family: Asparagaceae

47. Asparagus racemosus Willd.
Vernacular names: Halavu makkala beru (Sringeri taluk, Karnataka); Bahumoola (NR Pura taluk in Chikmagalur district of Karnataka, India)
Indigenous people of Sringeri taluk, Karnataka, India uses leaf extract as an effective antidote to snakebite (). Leaf extract is applied on the bitten area by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().
48. Muscari commutatum Guss.
Fresh leaf alcoholic extract is believed to have properties to repel snakes and used as an antidote by the traditional people of Manipur, India ().
49. Sansevieria roxburghiana Schult. f.
Vernacular name: Dumparasu ossoh (Khonds of Visakhapatnam district, Andhra Pradesh, India)
1–2% of the paste prepared from leaves and roots is applied on the affected portion 3 times a day for 3 consecutive days to treat snakebite by Khonds of Visakhapatnam district, Andhra Pradesh, India ().
50. Sansevieria trifasciata Prain
Vernacular name: Shaper gach (Balidha village, Jessore district, Bangladesh)
Whole plant and leaves are used as snake repellent by the kavirajes of Balidha village in Jessore district, Bangladesh ().

F12. Family: Asteraceae

51. Ageratum conyzoides L.
 have reported use of the leaves by the islanders of Indian Ocean. In some sacred groves of Meghalaya, India, leaves are also used against snakebite ().
52. Bidens biternata (Lour.) Merr. & Sherff
Korku and Gond communities of central India use leaf paste on wounds ().
53. Blepharispermum petiolare DC.
Vernacular name: Kaattu puthur (Tirunelveli hills, Tamil Nadu, India)
Powdered leaf and stem bark with leaves of Strychnos nux-vomica, Pavetta indica, Cyanodon dactylon, root of Sida cordifolia and Hedyotis umbellata is internally taken by the tribals of Tirunelveli hills, Tamil Nadu, India ().
54. Blumea lanceolaria (Roxb.) Druce
Vernacular name: Buarze (Mizoram, North-East India)
Root paste is used by the people of Mizoram, North-East India, an Indo-Burma hotspot region ().
55. Chrysanthemum cinerariifolium (Trevir.) Vis.
Vernacular name: Chondro mollicka (Vasu Bihar village, Shibganj sub-district, Bogra district, Bangladesh)
Whole plant is used as an antidote to poison by the village kavirajes of Vasu Bihar village, Shibganj sub-district, Bogra district, Bangladesh ().
56. Eclipta alba (L.) Hassk.
Vernacular name: Kayyantakara (Kanyakumari district, Tamil Nadu, India)
Roots are used in snakebite by the rural people of Kanyakumari district, Tamil Nadu, India ().
57. Eclipta prostrata (L.) L.
 have mentioned the plant against snakebite while discussing herbal remedies of wetland macrophytes in India.
58. Enhydra fluctuans Lour.
 have reported this plant against snakebite as a part of herbal remedies of wetland macrophytes in India.
59. Mikania micrantha Kunth
The plant is used by Nyishi (Daffla) tribe of Arunachal Pradesh, India ().
60. Taraxacum officinale F.H. Wigg.
Vernacular names: Aachak (Malanis of Kullu district, Himachal Pradesh, India); Karnphool (in Hindi, Himachal Pradesh) Crushed plant paste is prescribed orally in snakebite by the Malanis of Kullu district and by some other tribal groups of Himachal Pradesh, India ().
61. Vernonia anthelmintica (L.) Willd.
Vernacular name: Kynbat-jiraiong (Khasi and Jaintia community of Meghalaya, Northeast India)
Seed powder moistened in water is applied in the snake bitten area by the Jaintia tribal community of Meghalaya, Northeast India (). It is also a folk herbal remedy of the Khasi community of Meghalaya ().

F13. Family: Bignoniaceae

62. Oroxylum indicum (L.) Kurz
Bark is used by 4 communities (Kondh, Poraja, Gadaba and Bonda) of 16 villages of two districts of Orissa, India (Koraput and Malkangiri) ().

F14. Family: Boraginaceae

63. Heliotropium marifolium Koen. ex Retz.
Vernacular name: Choti-santri (Sariska and Siliserh regions, Alwar district, Rajasthan, India)
This plant is used against snakebite by the people of Sariska and Siliserh regions, Alwar district of Rajasthan, India ().
64. Trichodesma indicum (L.) R. Br.
Vernacular names: Gaozaban (Mahal Kohistan, Khirthar National Park, Pakistan); Kallri Booti, Chota kulfa, Nila karaji (Margallah Hills National Park, Islamabad, Pakistan)
From an ethnobotanical study of Mahal Kohistan (Khirthar National Park), Pakistan, the plant was reported against snakebite (). Leaves and roots are reported against snakebite in the Salt Range (Kallar Kahar) of Pakistan (). This plant is also used by the people of Margallah Hills National Park, Islamabad, Pakistan ().

F15. Family: Brassicaceae

65. Brassica campestris L.
Bheel community of central India uses this plant mixed with mustard oil and Allium cepa paste on wounds caused by snakebite ().

F16. Family: Burseraceae

66. Boswellia serrata Roxb. ex Colebr.
Vernacular name: Salai (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Seeds are used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().

F17. Family: Calophyllaceae

67. Mesua ferrea L.
Vernacular name: Herhse (Western Mizoram, India)
Flowers and leaves are used against snakebite by the people of western Mizoram, India ().

F18. Family: Campanulaceae

68. Lobelia nicotianifolia Roth. ex Schult.
Vernacular name: Heddumbe (Sringeri taluk, Karnataka, India; NR Pura taluk in Chikmagalur district of Karnataka)
Indigenous people living in Sringeri taluk, Karnataka, India uses the plant during snakebite (). Leaf extract is applied on the bitten area by the people of NR Pura taluk in Chikmagalur district of Karnataka ().

F19. Family: Capparaceae

69. Capparis decidua (Forssk.) Edgew.
Vernacular names: Kareel/Karerua (Chatara block, District Sonebhadra, Uttar Pradesh, India)
Seeds are used as antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
70. Capparis zeylanica L.
Fruits are eaten in snakebite by the tribals of Purulia district, West Bengal, India ().

F20. Family: Celastraceae

71. Gymnosporia royleana Wall. ex M.A. Lawson
Vernacular name: Chabbe (Bhadra wildlife sanctuary, Maland region, Western Ghats, India)
Root paste is applied with cow milk and taken internally and applied externally by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().
72. Parnassia nubicola Wall. ex Royle
Root paste is given to animal and also applied on the wound as a part of the indigenous veterinary practices of Darma valley of Pithoragarh district, Uttaranchal, India ().

F21. Family: Cleomaceae

73. Cleome gynandra L.
Vernacular name: Hul-hul (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Leaves are used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().

F22. Family: Colchicaceae

74. Gloriosa superba L.
Vernacular names: Kalihari (Sariska and Siliserh regions, Alwar district of Rajasthan, India); Kariyari (Chatara block, district Sonebhadra, Uttar Pradesh, India)
This plant is used by the people of Sariska and Siliserh regions, Alwar district of Rajasthan, India (). Malasar tribals in Coimbatore District of Tamil Nadu (South India) use it against snakebite (). Rhizome is used as antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().

F23. Family: Combretaceae

75. Anogeissus latifolia (Roxb. ex DC.) Wall. ex Bedd.
Korku and Gond communities of central India use whole plant as poultice on wounds caused by snakebite ().
76. Lumnitzera racemosa Willd.
Vernacular name: Churunda (Bhitarkanika wildlife sanctuary, Orissa, India)
The plant is used by the inhabitants of Bhitarkanika wildlife sanctuary, Orissa, India ().

F24. Family: Commelinaceae

77. Commelina paludosa Blume
Vernacular name: Kanjuna (Margallah Hills National Park, Islamabad, Pakistan)
This plant is used by the people of Margallah Hills National Park, Islamabad, Pakistan ().

F25. Family: Convolvulaceae

78. Ipomoea pes-tigridis L.
Root is given as antidote by the tribes of Rewa district, Madhya Pradesh, India ().

F26. Family: Cornaceae

79. Alangium salviifolium (L. f.) Wangerin
Vernacular name: Dhol anku (Malkangiri district of Orissa, India)
Leaf juice is applied by the tribes of Malkangiri district of Orissa, India (). Malasar tribe in Coimbatore District of Tamil Nadu (South India) also use the species against snakebite ().

F27. Family: Costaceae

80. Costus speciosus (J. Konig) Sm.
Vernacular names: Keokanda (Bay Islands, India); Keukonda (Malkangiri district of Orissa, India)
Fresh rhizome juice is used by the tribal people of Bay Islands, India (). The same preparation is given in snakebite by the tribes of Malkangiri district of Orissa, India (). Rhizome and a part of the stem are eaten raw in case of snakebite by Nyishi (Daffla) tribe of Arunachal Pradesh, India ().

F28. Family: Cucurbitaceae

81. Luffa acutangula (L.) Roxb.
Vernacular name: Jangli Torai (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Tendrils are used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
82. Momordica dioica Roxb. ex Willd.
Vernacular name: Kakoda (Sariska and Siliserh regions, Alwar district, Rajasthan, India)
The plant is used by the people of Sariska and Siliserh regions, Alwar district, Rajasthan, India ().
83. Trichosanthes tricuspidata Lour.
Fruit and root extract is used in snakebite by the tribes of Nasik district, Maharastra, India ().

F29. Family: Cyperaceae

84. Cyperus rotundus L.
Vernacular name: Motha (Rewa district, Madhya Pradesh, India)
Tuber powder mixed with cow butter is given by the tribes of Rewa district, Madhya Pradesh, India ().

F30. Family: Euphorbiaceae

85. Drypetes assamica (Hook. f.) Pax & K. Hoffm.
Vernacular name: Torulelu (Negrito tribes of Bay Islands, India)
Leaf juice is applied by the Negrito tribes of Bay Islands, India ().
86. Emblica officinalis Gaertn.
Vernacular name: Awala (Nasik district, Maharastra, India)
Stem infusion is given orally as an antidote by the tribes of Nasik district, Maharastra, India ().
87. Euphorbia hirta L.
Vernacular names: Dudhejhar, Chhumen (Kavrepalanchowk district, Nepal)
 have reported use of leaves against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean. Root paste is used by the indigenous peoples of Kavrepalanchowk district, Nepal ().
88. Pedilanthus tithymaloides (L.) Poit.
 have reported use of stem against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean.

F31. Family: Fabaceae

89. Abrus precatorius L.
Vernacular name: Mikiakuiang (Khamti tribe of Arunachal Pradesh, India)
Khamti tribe of Arunachal Pradesh, India uses a pinch of seed powder mixed with Andrographis paniculata seed powder to consume with lemon juice ().
90. Aeschynomene indica L.
Vernacular name: Kodi thuvarai (Tirunelveli hills, Tamil Nadu, India)
Decoction of leaves with that of Andrographis paniculata, Andrographis lineata, root of Thespesia populnea and stem bark of Strychnos nux-vomica is taken internally for 40 days by the tribals of Tirunelveli hills, Tamil Nadu, India. The decoction is also mixed with bathing water to treat snakebite ().
91. Albizia amara (Roxb.) Boivin
Vernacular name: Usilai (Tirunelveli hills, Tamil Nadu, India)
Paste of leaf and root bark with Jasminum angustifolium root bark and rhizome of Cyperus rotundus is heated with neem oil and applied externally on affected places for 10 days by the tribals of Tirunelveli hills, Tamil Nadu, India ().
92. Albizia lebbeck (L.) Benth.
Vernacular names: Siris (Lahore-Islamabad Motorway M-2; Chatara block, district Sonebhadra, Uttar Pradesh, India); Shareen (Margallah Hills National Park, Islamabad, Pakistan).
Flowers of the plant, found in the Lahore-Islamabad Motorway (M-2) is recommended in the treatment of snakebite (). The plant is used in snakebite by the people of Margallah Hills National Park, Islamabad, Pakistan (). It is also being used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
93. Bauhinia variegata L.
Vernacular names: Kachnar (Margallah Hills National Park, Islamabad, Pakistan); Koilara (Tharu community of Parroha VDC, Rupandehi district, Nepal)
The plant is used in snakebite by the people of Margallah Hills National Park, Islamabad, Pakistan (). Bark and stem are used by the Tharu community of Parroha VDC, Rupandehi district, Nepal ().
94. Butea monosperma (Lam.) Taub.
Vernacular names: Palas, Dhak, Chichra (Margallah Hills National Park, Islamabad, Pakistan); Muttuga (NR Pura taluk, Chikmagalur district, Karnataka, India)
Bheel community of central India gives leaf extracts twice after half an hour interval (). The plant is used by the people of Margallah Hills National Park, Islamabad, Pakistan (). Bark infusion with ginger is given immediately for drinking in case of snakebite by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().
95. Butea superba Roxb.
Plant extract is used as a folk remedy of snakebite in Gujarat, India ().
96. Caesalpinia bonduc (L.) Roxb.
Vernacular name: Karanj (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Seed powder is used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
97. Cassia fistula L.
Vernacular names: Kakkegida (Bidar district, Karnataka, India); Sharakkonnai (Kalrayan and Shervarayan hills, Eastern Ghats, Tamil Nadu, India); Dhanba/Amaltas (Chatara block of district Sonebhadra, Uttar Pradesh, India)
As a remedy against snakebite, one teaspoonful fruit powder is taken internally by the people of Bidar district, Karnataka, India (). Sahariya and Gond communities of central India use this plant in snakebite (). This plant is also being used by the aboriginals of Kalrayan and Shervarayan hills, Eastern Ghats, Tamil Nadu, India (). Seeds are used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
98. Cassia hirsuta L.
Vernacular names: Sabo-daru (Chakma community of Bangladesh); Sapdaru (Chittagong hill tracts of Bangladesh)
Chakma community of Bangladesh use the leaves against snakebite (). Leaf and root extract is used by the tribal people of Chittagong hill tracts of Bangladesh. Extracts are also used to prepare juice and paste. Juice is taken orally and paste is applied locally ().
99. Cassia occidentalis L.
Vernacular names: Amla (Lahore-Islamabad Motorway M-2); Datalong (Chittagong hill tracts of Bangladesh); Kasondhi (Chatara block of district Sonebhadra, Uttar Pradesh, India)
This plant found in the Lahore-Islamabad Motorway (M-2) has been recommended in the treatment of snakebite (). It is used in snakebite by the tribal people of Chittagong hill tracts of Bangladesh (). Leaves are used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
100. Cassia tora L.
Vernacular names: Chakunda (Jaunsari tribe of Garhwal Himalaya, Uttaranchal); Chakwar (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Jaunsari tribe of Garhwal Himalaya, Uttaranchal uses the plant to treat snakebite (). Gond community of central India uses leaves and seeds (). Roots are used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
101. Clitoria ternatea L.
Vernacular names: U-misyntiew (Khasi and Jaintia of Meghalaya, India); Gokari/Aparajita (Rewa district, Madhya Pradesh, India); Aparajita (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Root powder (1 teaspoonful) mixed with ghee is taken orally immediately after snakebite as a folk herbal remedy of Khasi people in Meghalaya. It is also taken with milk or turmeric juice (). Root powder mixed with milk is taken orally immediately after snakebite by the Jaintia tribal community of Meghalaya, Northeast India (). Root powder is also given in snakebite by the tribes of Rewa district, Madhya Pradesh, India (). Roots are used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
102. Crotalaria pallida Aiton
Vernacular name: Uhutesimil (Karens of Middle Andaman, India)
Leaf paste is applied on the wound from upside down for 10 days as a traditional phytotherapy among Karens of Middle Andaman, India ().
103. Crotalaria prostrata Rottler ex Willd.
Vernacular name: Beeli khulkhuli (Bidar district, Karnataka, India)
10 g fresh leaves are crushed in water and taken internally by the traditional people of Bidar district, Karnataka, India ().
104. Derris scandens (Roxb.) Benth.
Bark is used as a remedy in snakebite as a folk medicine in Gujarat, India ().
105. Desmodium gangeticum (L.) DC.
Vernacular name: Salparni (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Roots are used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
106. Entada rheedei Spreng.
Vernacular name: Hanuman lota (Malkangiri district of Orissa, India)
Seed paste is applied externally by the tribes of Malkangiri district of Orissa, India ().
107. Erythrina indica Lam.
Vernacular names: Fartuah (Western Mizoram, India); Kappu halivala (NR Pura taluk in Chikmagalur district of Karnataka, India)
Bark is used as an antidote to snakebite by the people of western Mizoram, India (). Leaf paste with Leucas aspera and a seed of pepper prepared with ghee is applied on the snake-bitten area by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().
108. Erythrina variegata L.
 have reported the use of the leaves against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean.
109. Indigofera tinctoria L.
Vernacular name: Neelamari (Mullu kuruma tribe of Wayanad district, Kerala)
Root juice or leaf juice is used internally by the Mullu kuruma tribe of Wayanad district, Kerala ().
110. Mimosa pudica L.
Vernacular names: Thottasiniki (Villupuram district of Tamil Nadu, India); Chhuimui/Lajwanti (Chatara block, district Sonebhadra, Uttar Pradesh, India); Yikira tera (Lotha-Naga tribes of Wokha district, Nagaland, India)
The plant is used against snake poison by the traditional users in Villupuram district of Tamil Nadu, India. Root is popularly used against cobra bite by snake charmers and Bejs (). Roots are also used by the Chatara block of district Sonebhadra, Uttar Pradesh, India (). Leaf paste is used by the Lotha-Naga tribes of Wokha district, Nagaland, India ().
111. Mucuna pruriens (L.) DC.
Vernacular name: Kevanch (Chatara block of district Sonebhadra, Uttar Pradesh, India)
The plant is used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
112. Tamarindus indica L.
Vernacular name: Chinch (Jalgaon district, Maharastra, India)
Plant powder is used by the aboriginals of Jalgaon district, Maharastra, India. To treat snakebite, spoonful powder with honey is consumed thrice a day after every two hours ().
113. Uraria picta (Jacq.) Desv. ex DC.
Vernacular names: Mahadevjata, Ishwarjata (Purulia district, West Bengal, India)
Leaf paste is given twice daily by the tribals of Purulia district, West Bengal, India ().

F32. Family: Gentianaceae

114. Enicostemma axillare (Lam.) Raynal.
Vernacular name: Vellarugu (Kanyakumari district, Tamil Nadu, India)
Plant paste is applied locally by the rural people of Kanyakumari district, Tamil Nadu, India ().

F33. Family: Hypoxidaceae

115. Curculigo orchioides Gaertn.
Vernacular names: Milni pata (Chakma tribes in Hill Tracts districts, Bangladesh); Kali musli (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Petiole paste is taken orally by the Chakma tribes in Hill Tracts districts of Bangladesh (). Roots are used as an antidote by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().

F34. Family: Lamiaceae

116. Anisomeles malabarica R. Br.
Vernacular names: Peyimarutti (Kanyakumari district, Tamil Nadu, India); Siriyapaeyamarati (Kumaragiri hills, Salem district, Tamilnadu, India)
Leaf paste is applied on affected part by rural people of Kanyakumari district, Tamil Nadu, India (). Leaf juice is applied by the villagers in Kumaragiri hills of Salem district of Tamilnadu, India ().
117. Clerodendrum serratum (L.) Moon
Oinment made from leaves boiled with oil and butter is used by the tribes of Rewa district, Madhya Pradesh, India ().
118. Hyptis suaveolens (L.) Poit.
Vernacular name: Ban Tulsi (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Roots are used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
119. Leucas aspera (Willd.) Link
Vernacular names: Gadde tumbe (Sringeri taluk, Karnataka, India); Gayasa (Kandha tribe, Kandhamal district, Orissa, India)
Leaves with pepper and garlic chewed and spit into the nostril of cattle with force by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India (). Indigenous people living in Sringeri taluk, Karnataka, India gives leaves with Stephania japonica roots for consumption during snakebite in case of domestic animals (). Kandha tribe of Kandhamal district of Orissa, India uses leaf paste with black pepper and leaf juice is poured into the nostrils ().
120. Leucas capitata Desf.
Vernacular names: Chatra, Gulloda, Goma (Margallah Hills National Park, Islamabad, Pakistan)
The plant is used by the people of Margallah Hills National Park, Islamabad, Pakistan ().
121. Leucas cephalotes (Roth) Spreng.
Vernacular names: Dronpushpi (Jaunsari tribe, Garhwal Himalaya, Uttaranchal, India); Gumbi (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Jaunsari tribe of Garhwal Himalaya, Uttaranchal uses plant decoction to treat snakebite (). The same preparation is used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
122. Leucas linifolia (Roth) Spreng.
Vernacular name: Dron (Mahmora area, Sivasagar district, Assam, India)
Fresh leaf juice (5 ml) is taken orally at an interval of 15 mins in the treatment of snakebite as a folk medicinal plant of Mahmora area, Sivasagar district, Assam, India ().
123. Ocimum adscendens Willd.
Vernacular name: Heddumbe (Bhadra wildlife sanctuary, Maland region, Western Ghats, India)
Root and bark infusion of Ervatamia coronaria and Leucas aspera leaves with root of this plant and bark of Artocarpus mixed with milk and butter are filtered and used in snakebite by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().
124. Ocimum basilicum L.
Vernacular name: Kali Tulsi (Chatara block, district Sonebhadra, Uttar Pradesh, India)
The plant is used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
125. Plectranthus rugosus Wall. ex Benth.
Vernacular name: Sloi (Uri, Kashmir Himalaya, India)
Leaf extract is mixed with hot water or milk to form bitter syrup and administered orally by the ethnic groups of Uri, Kashmir Himalaya, India ().

F35. Family: Lauraceae

126. Litsea ligustrina Hook. f.
Vernacular name: Kaattu senbagam (Tirunelveli hills, Tamil Nadu, India)
Powder of leaf, stem bark and flower along with leaves of Vitex altissima, Hygrophylla auriculata and Pavetta indica is mixed and heated with water and taken internally by the tribals of Tirunelveli hills, Tamil Nadu, India ().

F36. Family: Lecythidaceae

127. Barringtonia racemosa (L.) Spreng.
Vernacular name: Moha shomudro gach (Balidha village, Jessore district, Bangladesh)
Leaves are used as a snake repellent and in snakebite by the kavirajes of Balidha village in Jessore district, Bangladesh ().

F37. Family: Loganiaceae

128. Strychnos nux-vomica L.
Vernacular name: Kochila (Kalahandi district, Orissa, India)
Antisnake venom activity of ethanolic seed extract of the plant was reported by . Root paste is applied locally as an ethnomedicine against snakebite in Kalahandi district of Orissa, India ().

F38. Family: Malvaceae

129. Althaea officinalis L.
Vernacular names: Risha Khatmi / Tukhm-e-khitmi (Morgah Biodiversity Park, Rawalpindi, Pakistan)
The plant is reported against snakebite in a survey involving ethonobotanical properties and uses of medicinal plants of Morgah Biodiversity Park, Rawalpindi, Pakistan ().
130. Bombax ceiba L.
Vernacular names: Phunchawng (Western Mizoram, India); Ilavu (Mullu kuruma tribe of Wayanad district, Kerala, India); Semal/ Semar (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Fruits and flowers are used by the people of western Mizoram, India (). Leaf paste is used against snakebite by the Mullu kuruma tribe of Wayanad district, Kerala (). Leaves are used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
131. Grewia gamblei J.R. Drumm.
Vernacular name: Karadi kasavu (Tirunelveli hills, Tamil Nadu, India)
Leaf juice and root bark along with leaves and roots of Tragia involucrata, leaves of Smilax zeylanica and roots of Datura innoxia are mixed with water, filtered and taken internally for 5 days to treat snakebite by the tribals of Tirunelveli hills, Tamil Nadu, India ().
132. Helicteres isora L.
Vernacular name: Maror phalli (Chatara block, district Sonebhadra, Uttar Pradesh, India)
Sahariya community of central India uses root decoction orally (). Roots are also used as by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
133. Malva sylvestris L.
Vernacular name: Bendi gida (Bhadra wildlife sanctuary, Maland region of Western Ghats, India)
Leaf extract mixed with lime juice is used in snakebite by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().
134. Sida acuta Burm. f.
Leaves are used by the tribes of Rewa district, Madhya Pradesh, India ().
135. Sida cordifolia L.
Vernacular names: Nilatutti (Kanyakumari district, Tamil Nadu, India); Kungyi (Sariska and Siliserh regions from Alwar district of Rajasthan, India)
Leaf juice is applied to cure snakebite by the rural people of Kanyakumari district, Tamil Nadu, India (). This plant is also used by the people of Sariska and Siliserh regions from Alwar district of Rajasthan, India ().
136. Sida rhombifolia L.
Vernacular name: Sohbyrthit rit (Khasi and Jaintia community of Meghalaya, India)
Root (50 g) and leaves (50 g) and black pepper (2–3) are ground to make a paste and taken orally and also applied locally in snakebite as a folk herbal remedy of Khasi community of Meghalaya, India (). Paste of root and leaves and black pepper is taken orally and also applied locally in snakebite by the Jaintia tribal community of Meghalaya. ().
137. Urena lobata L. subsp. lobata (L.) Bross. Wal.
Vernacular name: Kodi thutthi (Tirunelveli hills, Tamil Nadu, India)
Decoction of root along with leaves of Adhatoda vasica, Alangium salvifolium and Coccinia grandis is taken internally by the tribals of Tirunelveli hills, Tamil Nadu, India ().

F39. Family: Meliaceae

138. Aglaia roxburghiana var. courtallensis Gamble
Vernacular name: Chokkalai (Tirunelveli hills, Tamil Nadu, India)
Decoction of leaves and seeds is mixed with decoction of roots of Aristolochia tagala, Strychnos nux-vomica and Coscinium fenestratum and taken orally by the tribals of Tirunelveli hills, Tamil Nadu, India ().
139. Cipadessa baccifera (Roth.) Miq.
Vernacular name: Maramalli (Tirunelveli hills, Tamil Nadu, India)
Leaf decoction along with the leaves of Commelina longifolia and Aristolochia indica is taken internally for 41 days by the tribals of Tirunelveli hills, Tamil Nadu, India ().
140. Melia azadirach L. (Azadirachta indica A. Juss.)
Vernacular name: Neem (Rewa district, Madhya Pradesh, India)
Seed extract is used by the tribes of Rewa district, Madhya Pradesh, India ().

F40. Family: Menispermaceae

141. Cissampelos pareira L.
Vernacular names: Kalipar (Shekhawati region, Rajasthan, India); Chokipar, Tijumala (Purulia district, West Bengal, India); Pilligar, Pilajar (Margallah Hills National Park, Islamabad, Pakistan); Ponmusutai (Villupuram district, Tamil Nadu, India)
Folk people from Shekhawati region of Rajasthan, India use root decoction against snakebite (). Root paste with 10 g long pepper is prescribed once daily for 5 days by the tribals of Purulia district, West Bengal, India (). Korku and Gond communities of central India use pounded roots in snakebite (). The plant is also used against snakebite by the people of Margallah Hills National Park, Islamabad, Pakistan () and Villupuram district of Tamil Nadu, India ().
142. Parabaena sagittata Miers
Leaf paste boiled with coconut oil is applied on incision of snakebite by the Nicobarese of Car Nicobar, India ().
143. Stephania hernandiifolia (Willd.) Walp.
Vernacular name: Thandamanik (Chittagong hill tracts of Bangladesh)
The plant is used by the tribal people of Chittagong hill tracts of Bangladesh ().
144. Tinospora cordifolia (Willd.) Miers
Vernacular names: Limbvel (Bhil tribe of Bibdod, Madhya Pradesh, India); Gurch, Giloy (Tharu tribe of Devipatan division in the Terai belt of Uttar Pradesh, India); Sindal, Amrudam (Kalrayan & Shervarayan hills, Eastern Ghats, Tamil Nadu, India)
Stem juice is used to cure snakebite by Bhil tribe of Bibdod, Madhya Pradesh, India (). Aerial root pieces are worn around neck to cure snakebite by the Tharu tribe of Devipatan division in the Terai belt of Uttar Pradesh, India (). The plant is also being used in snakebite by the aboriginals of Kalrayan & Shervarayan hills, Eastern Ghats, Tamil Nadu, India ().

F41. Family: Moraceae

145. Artocarpus hirsutus Lam.
Bark paste is made with coconut oil and applied in snakebite by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().
146. Ficus hirta Vahl
Vernacular name: Teng bhang gaas (Chakma tribes in Hill Tracts districts of Bangladesh)
Root and fruit paste is applied on wounds caused by snakebite by the Chakma tribes in Hill Tracts districts of Bangladesh ().
147. Ficus prostrata (Wall. ex Miq.) Miq.
Vernacular name: Theitit (Western Mizoram, India)
Root juice is used by the people of western Mizoram, India ().
148. Ficus racemosa L.
Seed cake is traditionally used by the people of Madhya Pradesh, India. A few drops of its decoction are put into the nostrils, resulting into vomiting and relief (). Bark paste is applied over the injury as a part of indigenous healthcare practices in Udaipur district, Rajasthan, India ().

F42. Family: Moringaceae

149. Moringa oleifera Lam.
Vernacular name: Sajina (Assam, India)
Root paste is applied by the tribals of Assam, India ().

F43. Family: Myrtaceae

150. Syzygium cumini (L.) Skeels
Vernacular name: Jambakoli (Kalahandi district, Orissa, India)
Bark paste is used as an ethnomedicine against snakebite in Kalahandi district of Orissa, India ().

F44. Family: Nyctaginaceae

151. Boerhaavia diffusa L.
Vernacular names: Puruni (Kandha tribe, Kandhamal district, Orissa, India); Punarnawa/Gadahpunna (Chatara block, district Sonebhadra, Uttar Pradesh, India); Gadapurena/Punarnava (Rewa district, Madhya Pradesh, India)
Kandha tribe of Kandhamal district of Orissa, India uses the plant paste orally and applies on the snake bitten area (). Sahariya community of central India uses leaf paste on wounds (). The plant is used by the people of Chatara block of district Sonebhadra, Uttar Pradesh, India (). Leaves are used by the tribes of Rewa district, Madhya Pradesh, India ().
152. Boerhaavia repens L.
Vernacular name: Ponownowa (Majuli island and Darrang districts, Assam, India)
Roots are used by the communities residing in Majuli island and Darrang districts of Assam, India ().

F45. Family: Onagraceae

153. Ludwigia adscendens (L.) H. Hara
Vernacular name: Hara (Kanyakumari district, Tamil Nadu, India)
Poultices made of pounded fresh plant are applied externally by the rural people of Kanyakumari district, Tamil Nadu, India ().

F46. Family: Orchidaceae

154. Eulophia nuda Lindl.
Vernacular name: Jhulukia (Chitrakoot, Madhya Pradesh, India)
Root juice is given to treat snakebite by the tribal communities of Chitrakoot, Madhya Pradesh, India ().

F47. Family: Orobanchaceae

155. Lindenbergia muraria (Roxburg ex D. Don) Brühl
Vernacular name: Chatti (Sariska and Siliserh regions, Alwar district, Rajasthan, India)
This species is used by the people of Sariska and Siliserh regions, Alwar district, Rajasthan, India ().

F48. Family: Oxalidaceae

156. Biophytum candolleanum Wight
Vernacular name: Perumani vaatti (Tirunelveli hills, Tamil Nadu, India)
Leaf powder with the leaves of Aristolochia tagala, Alangium salvifolium, stem bark of Strychnos nux-vomica, Wrightia tinctoria, Thespesia populnea and roots of Abrus precatorius is heated with water and taken internally for 14 days by the tribals of Tirunelveli hills, Tamil Nadu, India ().
157. Oxalis corniculata L.
Vernacular name: Khati booti (Tehsil Chakwal, Pakistan)
In some sacred groves of Meghalaya, India, leaves of the plant are used against snakebite (). Leaves are applied by the indigenous people of Tehsil Chakwal, Pakistan ().
158. Oxalis debilis var. corymbosa (DC.) Lour.
Vernacular name: Khatti booti (Chatara block, district Sonebhadra, Uttar Pradesh, India)
The plant is being used by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().

F49. Family: Papaveraceae

159. Argemone mexicana L.
Vernacular name: Pilikateli (Sariska and Siliserh regions, Alwar district, Rajasthan, India)
It is used by the people of Sariska and Siliserh regions, Alwar district, Rajasthan, India ().

F50. Family: Phyllanthaceae

160. Antidesma alexiteria L.
Leaves are used by the tribals of Tirunelveli Hills, Western Ghats, India ().
161. Cleistanthus collinus (Roxb.) Benth. ex Hook. f.
Vernacular name: Korda (Malkangiri District, Orissa, India)
Bark juice is applied externally by the tribes of Malkangiri district of Orissa, India ().

F51. Family: Piperaceae

162. Piper nigrum L.
Kali mirch (pepper) roasted in ghee is given orally to the snakebitten animal in South eastern part of Chamoli district, Uttaranchal, India. Application of a root paste of kali haldi (black turmeric) on the wounds of the snakebitten animal and touching of a red hot iron on the wounds quickly are the other practices ().

F52. Family: Plantaginaceae

163. Bacopa monnieri (L.) Edwall
Vernacular names: Jalneem/ Brahmi (Rewa district, Madhya Pradesh, India)
Paste is bandaged as snakebite antidote in Barak Valley, Northeast India (). Whole plant decoction is used by the tribes of Rewa district, Madhya Pradesh, India ().

F53. Family: Plumbaginaceae

164. Plumbago zeylanica L.
Vernacular names: Chita, Jaundicea (Tripura, India)
Tribal and non-tribal medicine men of Tripura state, India use the root paste against snakebite ().

F54. Family: Poaceae

165. Cynodon dactylon (L.) Pers.
 have mentioned this plant as an effective remedy against snakebite while discussing herbal remedies of wetland macrophytes in India.
166. Eleusine indica (L.) Gaertn.
Vernacular name: Malkantari-Mundari (Munda tribe of West Dinajpur district, West Bengal, India)
20 g root is crushed along with 10 g Zingiber officinale and 9 black pepper pieces. This paste is divided into two equal parts. A part with a few drops of honey is administered orally and another part is applied on the snake bitten area by Munda tribe of West Dinajpur district, West Bengal, India ().
167. Oplismenus compositus (L.) P. Beauv.
Incision of snakebite is warmed with the smoke produced by putting green plants on fire by the Nicobarese of Car Nicobar, India ().

F55. Family: Polygonaceae

168. Persicaria chinensis (L.) H. Gross
Vernacular name: Bangori bhanga gaas (Chakma tribes in Hill Tracts districts of Bangladesh)
Leaf extract is taken orally by the Chakma tribes in Hill Tracts districts of Bangladesh ().
169. Polygonum perfoliatum (L.) L.
Vernacular name: Lilhar (Manipur, India)
Seed powder paste is applied in the wetlands of Manipur, India ().

F56. Family: Ranunculaceae

170. Aconitum heterophyllum Wall. ex Royle
Vernacular name: Aatish (Darjeeling and Sikkim Himalaya, India)
Rhizome is used by the local people of Darjeeling and Sikkim Himalaya ().

F57. Family: Rubiaceae

171. Anthocephalus cadamba (Roxb.) Miq.
Vernacular name: Kadam (Chatara block, district Sonebhadra, Uttar Pradesh, India)
It is used as an antidote to snakebite by the Chatara block of district Sonebhadra, Uttar Pradesh, India ().
172. Anthocephalus chinensis (Lam.) Rich. ex Walp.
Vernacular name: Kadam (Pirojpur District, Bangladesh)
Leaf and bark are used by the folk medicinal practitioners in three areas of Pirojpur District, Bangladesh ().
173. Chasalia curviflora var. ophioxyloides (Wall.) Deb & Krishna
Vernacular name: Hel gaas (Chakma tribes in Hill Tracts districts of Bangladesh)
Crushed leaves are applied on wounds caused by snakebite by Chakma tribes in Hill Tracts districts of Bangladesh ().
174. Tarenna odorata Roxb.
Vernacular name: Khalagor song (Mizoram, North-East India)
Root paste is used on snakebite by the people of Mizoram, North-East India, an Indo-Burma hotspot region ().

F58. Family: Rutaceae

175. Aegle marmelos (L.) Corr.
Vernacular name: Orai-si-apang (Chittagong Hill Tracts region of Bangladesh)
 have reported the plant against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean. Paste of leaves, roots and bark is applied on snakebites by the Rakhain tribe inhabiting the Chittagong Hill Tracts region of Bangladesh ().
176. Ruta graveolens L.
Vernacular name: Nagadali (Maland region, Western Ghats, India)
Root paste is applied externally by the local medicine men of Bhadra wildlife sanctuary, Maland region of Western Ghats, India ().

F59. Family: Salicaceae

177. Flacourtia indica (Burm. f.) Merr.
Vernacular name: Sela (Kalrayan & Shervarayan hills, Eastern Ghats, Tamil Nadu, India)
 have reported the leaves against snakebite while mentioning traditional use of Indian plants by the islanders of Indian Ocean. This plant is also used by the aboriginals of Kalrayan & Shervarayan hills, Eastern Ghats, Tamil Nadu, India ().
178. Casearia graveolens Dalz.
Vernacular name: Kirmira (Nasik district, Maharastra, India)
Stem pieces are chewed raw once daily for 5–6 days by the tribals of Nasik district, Maharastra, India ().

F60. Family: Santalaceae

179. Viscum articulatum Burm. f.
Vernacular name: Mang-kariang-khlen-sia (Khasi and Jaintia tribal community of Meghalaya, India)
Khasi and Jaintia communities of Meghalaya, India use this plant against snakebite ().

F61. Family: Sapindaceae

180. Sapindus laurifolius Vahl
Vernacular name: Arithi (Porbandar district, Gujarat, India)
Fruit foam is applied on snakebite while the fruit juice is given orally as a part of indigenous animal healthcare practised in the Porbandar district, Gujarat ().

F62. Family: Sapotaceae

181. Isonandra lanceolata Wight
Vernacular name: Sirumottai (Tirunelveli hills, Tamil Nadu, India)
Laef, unripened fruit and root bark along with leaves of Andrographis paniculata and leaf and root bark of Thespesia populnea are heated with water to make a decoction and taken internally for 30 days by the tribals of Tirunelveli hills, Tamil Nadu, India ().

F63. Family: Solanaceae

182. Capsicum annuum L.
Sahariya and Bheel communities of central India use this plant against snakebite ().
183. Datura metel L.
Vernacular name: Kala Dhatura (Chatara block of district Sonebhadra, Uttar Pradesh, India)
Sahariya community of central India uses seed extracts (). Leaves are used by the people of Chatara block of district Sonebhadra, Uttar Pradesh, India (). Incision of snakebite is washed with Annona squamosa juice and then D. metel leaf paste is applied by the Nicobarese of Car Nicobar, India ().
184. Solanum capsicoides All.
Vernacular name: Tit baegun (Barisal Town, Barisal District, Bangladesh)
Seeds are used by kavirajes of Barisal Town in Barisal District, Bangladesh. 8 seeds are orally administered to the patients. Seeds are administered 3 times in 24 hrs following which the patient vomits and gets cured. This remedy applies to any type of poisonous snake bite ().
185. Solanum torvum Sw.
Vernacular name: Tit baegun (Pirojpur District, Bangladesh)
Root and fruit are used by the folk medicinal practitioners in three areas of Pirojpur District, Bangladesh. Root juice is mixed with 250 ml water and 100 ml mustard oil. First, Ammonium chloride is rubbed on the snake bitten area and then the mixture of root juice, water and oil is given orally. Otherwise, 1 handful of fruit is boiled in ½ litre of water. The fruits are then squeezed to get the juice, which is orally given to the snakebitten person to vomit out the poison ().
186. Withania somnifera (L.) Dunal
Vernacular name: Ashwagandhi (NR Pura taluk, Chikmagalur district, Karnataka, India)
Root paste is applied on the bitten area by the people of NR Pura taluk in Chikmagalur district of Karnataka, India ().

F64. Family: Staphyleaceae

187. Staphylea emodi Wall.
Vernacular name: Chitra (Margallah Hills National Park, Islamabad, Pakistan)
The plant is used by the people of Margallah Hills National Park, Islamabad, Pakistan ().

F65. Family: Theaceae

188. Schima wallichii Choisy
Vernacular name: Khiang (Western Mizoram, India)
Fruit decoction is used by the people of western Mizoram, India ().

F66. Family: Vitaceae

189. Leea compactiflora Kurz
Flowers and berries pounded of the plant are tied tightly with a cloth against snakebite by Nyishi (Daffla) tribe of Arunachal Pradesh, India ().

F67. Family: Verbanaceae

190. Lantana camara var. aculeata (L.) Moldenke
Vernacular name: Raimunia (Rewa district, Madhya Pradesh, India)
Decoction of roots, flowers and stems is prescribed by the tribes of Rewa district, Madhya Pradesh, India ().
191. Lantana indica Roxb.
Vernacular name: Ghaneri (Margallah Hills National Park, Islamabad, Pakistan)
This plant is used by the people of Margallah Hills National Park, Islamabad, Pakistan ().
192. Vitex negundo L.
Vernacular names: Bana (Kunihar forest division, district Solan, Himachal Pradesh, India); Karinochi (Mullu kuruma tribe of Wayanad district, Kerala, India); Bili lakki (NR Pura taluk in Chikmagalur district of Karnataka, India)
Paste of leaves is used with Albizzia chinensis by the indigenous people of Kunihar forest division, district Solan, Himachal Pradesh, India (). Leaf paste with rhizome paste of turmeric is applied on the snake-bitten spot by the Mullu kuruma tribe of Wayanad district, Kerala (). Leaf or root paste mixed with turmeric powder is applied on the bitten area by the people of NR Pura taluk in Chikmagalur district of Karnataka ().

F68. Family: Zingiberaceae

193. Hedychium spicatum Buch.-Ham. ex Sm.
Vernacular name: Aithur (Western Mizoram, India)
Rhizome is used by the people of western Mizoram, India ().

F69. Family: Zygophyllaceae

194. Fagonia bruguieri DC.
Vernacular name: Drummahu (Mahal Kohistan, Khirthar National Park, Pakistan)
People of Mahal Kohistan (Khirthar National Park), Pakistan use the plant in snakebite ().

Pteridophytes

F70. Family: Adiantaceae

195. Adiantum philippense L.
Vernacular name: Kali-Jhant (Amarkantak, Madhya Pradesh, India)
Rhizome powder is used by the indigenous people of Amarkantak, Madhya Pradesh, India ().

F71. Family: Dryopteridaceae

196. Dryopteris cochleata (D.Don) C. Chr
Vernacular name: Jatashankari (Amarkantak, Madhya Pradesh, India)
Fresh paste of rhizome and fronds is applied externally by the indigenous people of Amarkantak, Madhya Pradesh, India ().

F72. Family: Polypodiaceae

197. Microsorium punctatum L.
Tender leaf paste is applied on incision of snakebite by the Nicobarese of Car Nicobar, India ().

F73. Family: Thelypteridaceae

198. Christella parasitica (L.) H. Lev.
Vernacular name: Bih-logani (Gohpur, Sontipur district, Assam) Tribals of Gohpur of Sontipur district, Assam use the leaves in snakebite treatment ().

Discussion

From the present review 73 plant families (69 angiosperm and 4 pteridophyte families) having 198 species used against snakebite were found to be reported from different ethno-botanical investigations mostly carried out during the last few years in India, Bangladesh, Pakistan and Nepal. Plant Family Fabaceae represents the maximum species (25) followed by Apocynaceae (16), Asteraceae (11), Lamiaceae (10), Malvaceae (9), Acanthaceae (8), Amaranthaceae (8), Solanaceae (5), Asparagaceae (4), Euphorbiacae (4), Menispermaceae (4), Moraceae (4), Aristolochiaceae (4), Rubiaceae (4) etc. Among the most common genera are Cassia sp. (4), Leucas sp. (4), Aristolochia sp. (4), Achyranthes sp. (3), Amaranthus sp. (3), Ficus sp. (3), Nerium sp. (3), Sida sp. (3), Albizia sp. (2), Anthocephalus sp. (2), Arisaema sp. (2), Boerhaavia sp. (2), Butea sp. (2), Calotropis sp. (2), Crotalaria sp. (2), Eclipta sp. (2), Erythrina sp. (2), Lantana sp. (2), Ocimum sp. (2), Oxalis sp. (2), Rauvolfia sp. (2), Sansevieria sp. (2) and Solanum sp. (2). (Digit within parenthesis indicates number of species.). Aristolochia indica (12) represents the highest usage, followed by Achyranthes aspera (9), Rauvolfia serpentina (8), Acorus calamus(5), Cissampelos pareira (5), Amaranthus viridis (4), Boerhaavia diffusa (4), Calotropis procera (4), Cassia fistula (4), Clitoria ternatea (4) and Hemidesmus indicus (4) (Digits represent to the number of reports.).
Pharmacological investigations for anti snake venom properties have been carried out in many of the reported plants such as Vitex negundo, Emblica officinalis (), Mimosa pudica (), Eclipta prostrata (), Andrographis paniculata, Aristolochia indica (), Mucuna pruriens (Strychnos nux vomica (), Hemisdesmus indicus (), Cissampelos pareira (), Sida acuta (,), Tamarindus indica (), Withania somnifera (Lizano et al., 2003; ) etc.  have mentioned certain active compounds found among the plants responsible for anti venomous properties. Aristolochic acid (Aristolochia indica), Azadirachta indica phospholipase A2 inhibitor (Azadirachta indica) (), wedelolactone (Eclipta prostrata) (), pentagalloyl glucopyranose (Mangifera indica), lupeol actate and 2-hydroxy-4-methoxy benzoic acid (Hemidesmus indicus) (,) etc. are among the several biomolecules investigated for anti snake venom activities. It is interesting to note that a positive correlation exists between traditional use of medicinal plants and their pharmacological investigations. A very small percentage of the folklore has been evaluated scientifically. Further investigation of crude extracts and purified compounds may lead to the discovery of active biomolecules having therapeutic potential. The ethnobotanical wealth of Indian subcontinent can serve as a rich source of herbal drugs which can be exploited in future drug discovery programmes. India with a heritage of plant resources and diversified aboriginal cultures provides an interesting ground for work (). To conserve this rich folklore, public and governmental recognition of the use of these medicinal plants is of utmost importance (). It is also evident that certain plants become more useful when applied in combination with some other plants (). Synergistic interaction among plants and compounds present in the crude extracts could be the major factor responsible for pharmacological efficacy of ethnomedicinal preparations. Apart from the direct use of the plants, some customs and beliefs persist among tribal communities. Raika pastoralists of Rajasthan associated with camel husbandry believe that a cotton thread around the neck of a snake bitten camel is a local custom ().

Conclusion

World Health Organization (WHO) documented that 80% of world population rely on plant based medicines for their primary healthcare. If this tribal knowledge of medicinal plants is evaluated and utilized scientifically, mankind will be benefited with the use of herbal drugs as part of their regular healthcare practices. Several medical emergencies like snakebite can be dealt with pharmacological investigations of the folklore. Many countries have started documentation, cultivation, scientific evaluation and sustainable utilization of medicinal flora used by traditional people. It is high time for us to exercise and propagate our ethnic knowledge against human mortality and morbidity.

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