Indigo | Dye Plants, Natural Pigments & Medicinal Uses
Indigofera tinctoria - Plant Finder - Missouri Botanical Garden
Indigofera L. | Plants of the World Online | Kew Science
WEBIndigofera L. Indigofera. First published in Sp. Pl.: 751 (1753) This genus is accepted. The native range of this genus is Africa, Asia to SW. Pacific, Central & S. U.S.A. to Tropical & Subtropical America. Taxonomy.
Indigofera L. | Plants of the World Online | Kew Science