A genus of leguminous plants (family Leguminosae) having many species, mostly in tropical countries, several of them yielding indigo, esp. Indigofera tinctoria, Indigofera suffroticosa, and Indigofera Anil.
Indigofera is a large genus of about 700 species of flowering plants belonging to the family Fabaceae. They occur throughout the tropical and subtropical regions of the world, with a few species reaching the temperate zone in eastern Asia.