Senna hirsuta. Native of tropical America. Senna hirsuta grows on the plains and hilly areas. Grows along roadsides, railway embankments and dry ditches. It is found in gardens and fields as a weed and prefers open locations.
Is now distributed throughout Malesia, Indo-China, Thailand and most other countries in the Asian and African tropics. In Java, where it has long been known and has naturalized.
Uses: As forage plant. As food the leaves and young pods are eaten, usually steamed or cooked in vegetable dishes or in salads. Medicine: In Java the leaves are used medicinally for treating herpes. A decoction of the leaves is used against irritations of the skin in Thailand. In Laos the seeds are used as a substitute for coffee.