Etymology: Amorpha: from a Greek word amorphos signifying "deformed," an allusion to the single petal of the flower
Plants: erect, perennial, 8"-40" tall shrub; stems branched, spreading
Leaves: pinnately-divided into 13-20 pairs of dense, silvery leaflets, blackening when dried
Flowers: purple, 5-parted, 1/4" long, stamens bright orange, only 1 petal; inflorescence 2"-6", spike-like clusters (racemes) in groups of 5-20 mostly at the ends of the stem; blooms June-July
Fruits: oblong, curved, small, hard pod with 1-2 seeds
Habitat: full sun; dry to moderate moisture; prairies, woods; in sandy, loamy soil
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 7 USDA Plants Database: Federal Distribution and detailed information including photos Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"