Calopogonium mucunoides

Calopogonium mucunoides, called calopo and wild ground nut, is a species of flowering plant in the family Fabaceae, native to the New World Tropics, and introduced as a forage crop and a green manure to the tropics of Africa, Madagascar, the Indian Subcontinent, Asia, Malesia, Papuasia, and Australia. In some locales it has become a serious invasive species.