wild indigo

noun
1.
any of several plants belonging to the genus Baptisia, of the legume family, especially B. tinctoria, having yellow flowers.
Origin
1735-45, Americanism
Examples from the web for wild indigo
  • False wild indigo and other prairie flowers in bloom.
British Dictionary definitions for wild indigo

wild indigo

noun
1.
any of several North American leguminous plants of the genus Baptisia, esp B. tinctoria, which has yellow flowers and three-lobed leaves