Habit:
A large perennial twiner with milky juice and fleshy branched. The leaves are very variable in shape; the flowers are tubular-campanulate, white, in few flowered cymes; the capsules globose with 4 or less, dull black, glabrous seeds.

Principle constituent:
A glycosidic resin.

Indications:
The drug is used as a purgative.

Product range:
Herbolax, Vegecort