Synonym ► Ervatamia dichotoma Blatter.
Rejoua dichotoma Gamble.
Family ► Apocynaceae.
Habitat ► Western Ghats at low elevations.
English ► Eve's Apple, Forbidden Fruit.
Siddha/Tamil ► Kandalaippalai, Kattalari-palai.
Action ► Seed, leaves, bark— purgative. Latex—cathartic.
The fruit gave the alkaloid, coronaridine. Root bark gave alkaloids— heyneanine and voacristine hydrox-yindolenine. The petroleum ether-ex-
642 Tacca aspera Roxb.
tractable alkaloids of the fruit showed CNS depressant and hypotensive activities.
Tabernaemontana heyneana Wall., synonym, Ervatamia heyneana Cooke is also equated with Tengari of Indian medicine.
The wood and stembark yielded indole alkaloids; ursolic acid, beta-amy-rin andbeta-amyrin acetate. A number of alkaloids showed cytotoxic activity. (Phytochemistry, 19,1980.)
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