Also known as:
indigo-bush; indigobush; false-indigo; desert indigo-bush; indigo bush amorpha; bastard indigo
Indigo-bush is a medium to large, finely textured, native shrub for wet to dry soils. The 1-foot long, compound leaves are a gray-green. The long-blooming, showy, 3 to 6-inch long, upright flower spikes are royal purple with yellow -orange anthers. A cousin of the shorter prairie lead plant. Plants may be short-lived.