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Alstonia venenata - Vishagni

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Vishagni, Alstonia venenata

Vishagni is a small tree that can grow up to 8m with light green glossy leaves with wavy margins. The leaves are arranged in whorls of 3-6 along the stem. Alstonia venenata is found in the hills of peninsular India and the western ghats

Uses

Skin diseases, Epilepsy, Fever

Parts Used

Leaves, Roots

Chemical Composition

The plant is a rich source of indole alkaloids. Major alkaloids in the stembark are alstovenine, venenatine, 3-dehydroalstovenine, reserpine (0.003–0.3%), venoxidine and kopsinine. The fruit contains vincadifformine type of alkaloids. [1]

Common names

Language Common name
Kannada adda sarpa
Hindi Vishagni
Malayalam analivegam, othalam, theeppala
Tamil palamunnipalai, sinnappalai
Telugu edaakula paala, edakula pala, gandu ganneru
Marathi NA
Gujarathi NA
Punjabi NA
Kashmiri NA
Sanskrit Vishagni, anadana, raja-adana
English

[2]

Properties

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

Dravya

Rasa

Tikta (Bitter)

Guna

Laghu (Light), Ruksha (Dry)

Veerya

Ushna (Hot)

Vipaka

Karma

Pitta

Prabhava

Habit

Shrub or small tree

Identification

Leaf

Kind Shape Feature
Simple Whorled Leaves 12-20 x 1.2-3 cm, linear-oblong, acuminate at both ends, 5 at each node, lateral nerves many, very close.

[3]

Flower

Type Size Color and composition Stamen More information
Terminal cymes 20cm across White 5 Flowering and fruiting is from February to August

Fruit

Type Size Mass Appearance Seeds More information
Hirsute 6-8 cm long Follicle 2-angled, acute. Seeds smooth {{{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

Season to grow

Soil type

Drained, Rich in nutrients.

Propagation

Commonly seen growing in areas

Tropical area, Moist deciduous forests.

Photo Gallery

References

External Links