(L.) Schott.Family: Araceae.
Habitat: Peninsular India, and from Yamuna eastwards; also grown in South India.
Siddha/Tamil: Karu Karunai Kizhangu, Karunai Kizhangu.Action: Tuber—applied as poultice on scirrhous tumours (fresh tuber is very acrid and a powerful stimulant). Eaten with bananas, the tubers relax the bowels and provide relief in haemorrhoids (tubers become innocuous on heating or drying).
The tubers contain carotene, folic acid, niacin, thiamine, sterols and beta- sitosterol.