Indigo - plant profile
Indigo plants grow as shrubs or herbs to between 1 and 3 m tall with spreading branches.
|Image: Indigo plant in bloom, growing in Kew Gardens.|
Leaves - slightly hairy, separated into leaflets often opposite each other. It is the leaves that yield the blue dye, indigo. The plants are also grown as a cover for crops and as a fertiliser. The leaves of some species are fed to livestock.
Flowers - in little clusters, with pea-like flowers.