wild indigo


noun

any of several plants belonging to the genus Baptisia, of the legume family, especially B. tinctoria, having yellow flowers.

Origin of wild indigo

An Americanism dating back to 1735–45

British Dictionary definitions for wild indigo

wild indigo

noun

any of several North American leguminous plants of the genus Baptisia, esp B. tinctoria, which has yellow flowers and three-lobed leaves