Amorphophallus paeoniifolius, the elephant foot yam or whitespot giant arum, is a tropical plant native to Island Southeast Asia. It is cultivated for its edible tubers in Southeast Asia, South Asia, Madagascar, New Guinea, and the Pacific islands...
In Bihar it is used in oal curry, oal bharta or chokha, pickles and chutney.[5] Oal chutney is also called "barabar chutney" as it has mango, ginger and oal in equal quantities, hence the name barabar (meaning "in equal amount")....