Distribution and habitat: Found throughout India
Botany: A large stout perennial twiner with milky juice, winged twisted, pubescent, twining stems and long slender fleshy much branched roots;
- Leaves : Simple, large very variable in shape, subacute, mucronate, more or less pubescent on both sides especially when young, base cordate or truncate.
- Flowers : White, tubular- campanulate in few flowered cymes.
- Fruits : Globose capsules, enclosed in enlarged brittle embricate sepals.
- Seeds: 4 or less, glabrous, dull black.
Properties: Purgative, antidote, anti-inflammatory
Chemical constituents: Coumarin, scopoletin,α-& β-terpetheins, sugars, luteolin and its derivates, gentisic, protocatechuic, vanillic, p-coumaric, melilotic and ferulicacids. Saponins are the major components reported from the various parts of the plant.
Uses: Used against poisoning by scorpion sting, snake bite
Propagation: By seed