bastard indigo

Noun

• an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers

• dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers

• East Indian shrub

Related words

• Synonyms: 
  false indigo , Amorpha californica , Amorpha fruticosa , Tephrosia purpurea