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Strychnos nux-vomica - Kapilu

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The strychnine tree also known as strychnine tree nux vomica, poison nut, semen strychnos and quaker buttons, is a deciduous tree native to India, and southeast Asia. It is a medium-sized tree in the family Loganiaceae that grows in open habitats. Its leaves are ovate and 2–3.5 inches in size.


Wounds, Skin diseases, Scabies, Itching, Infections, Fever, Wounds, Acne, Skin problems, Body paralysis.

Parts Used

Seeds, Bark, Roots, Leaves

Chemical Composition

Thirteen alkaloids were isolated from the seeds of Strychnos nux-vomica. They were identified as strychnine, beta-colubrine, pseudostrychnine, strychnine N-oxide, brucime, brucine N-oxide, novacine, icajine, vomicine, isostrychnine, isobrucine, isobrucine N-oxide and isostrychnine N-oxide by chemical and spectroscopic analysis.[1]

Common names

Language Common name
Kannada ಹೆಮ್ಮುಷ್ಟಿ Hemushti, ಇಟ್ಟಿ Itti
Hindi Bailewa, Chibbinge
Malayalam Chamram, Kanjiram
Tamil etti, kagodi
Telugu mucidi, mushidi
Marathi Kajara, Kuchala
Gujarathi NA
Punjabi NA
Kashmiri NA
Sanskrit Garadruma, Karaskarah
English Nux Vomica, Poison Nut



Reference: Dravya - Substance, Rasa - Taste, Guna - Qualities, Veerya - Potency, Vipaka - Post-digesion effect, Karma - Pharmacological activity, Prabhava - Therepeutics.



Tikta (Bitter), Katu (Pungent)


Laghu (Light)


Ushna (Hot)


Katu (Pungent)


Kapha, Vata



Evergreen tree



Kind Shape Feature
Simple opposite The leaves are opposite, short-stalked, oval, shining, smooth on both sides



Type Size Color and composition Stamen More information
Unisexual 2-4cm long Yellow 5-20 The flowers are small, greenish-white, funnel-shaped, in small, terminal cymes, with a disagreeable odor


Type Size Mass Appearance Seeds More information
berry 7–10 mm clearly grooved lengthwise, Lowest hooked hairs aligned towards crown covered with a smooth 3-6 {{{6}}}

Other features

List of Ayurvedic medicine in which the herb is used

Where to get the saplings

Mode of Propagation

Seeds, Cuttings.

How to plant/cultivate

A plant of the moist tropics. It is found in areas where the mean annual rainfall is in the range 1,200 - 3,500mm, Requires a sunny position[4]

Commonly seen growing in areas

Tall grasslands, Meadows, Borders of forest area.

Photo Gallery


External Links