What is "false indigo"

1. n. any of several plants of the genus Baptisia [syn: wild indigo]

2. dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers [syn: bastard indigo, Amorpha fruticosa]

3. an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers [syn: bastard indigo, Amorpha californica]

False indigo is a common name for several plants related to indigo; it may refer to:

• Amorpha, particularly
  • Amorpha fruticosa, an invasive species
• Baptisia