Noun has 3 senses

• bastard indigo(n = noun.plant) tephrosia purpurea - East Indian shrub;


• bastard indigo(n = noun.plant) amorpha fruticosa, false indigo - dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers;


• bastard indigo(n = noun.plant) amorpha californica, false indigo - an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers;