In'di-go-plānt, n.

n. (Bot.) A leguminous plant of several species of the genus Indigofera, from which indigo is prepared. The different varieties are natives of Asia, Africa, and America. Several species are cultivated, of which the most important are the I. tinctoria, or common indigo-plant, the I. anil, a larger species, and the I. disperma.