Origin

Native to tropical East Africa; runs wild at some places in West Bengal.

Action:

Dry ripe seeds—cardiac glycosides (the mixture is known as Strophanthin-K) act like digitalis but are poorly absorbed from the digestive tract, are given by injection.

Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p 629.