| Family | FABACEAE |
| Genus species | Dalea purpurea Vent. trib. Amorpheae |
| Bibliography | Choix Pl.: t. 40 (1807) |
| Native Range | c. Canada to wc. & ec. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Description | glabrous to grey villose, leaves pinnate, leaflets linear, 1-2cm long, spikes numerous, 2-7cm long, calyx densely hirsute |
| Size | 30-90cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 13-18°C basal cuttings in late spring and late summer |
| Synonyms | Dalea purpurea f. albiflora (W.H.Horr & McGregor) McGregor Dalea purpurea f. arenaria (F.C.Gates) McGregor Dalea violacea (Michx.) Willd. Kuhnistera purpurea (Vent.) MacMill. Kuhnistera violacea (Vent.) Steudel Petalostemon mollis Rydb. Petalostemon pubescens A.Nelson Petalostemon purpureus (Vent.) Rydb. Petalostemon purpureus f. albiflorus W.H.Horr & McGregor Petalostemon purpureus f. arenarius F.C.Gates Petalostemon purpureus var. mollis (Rydb.) A.Nelson Petalostemon standleyanus Rydb. Petalostemon violaceus Michx. Petalostemon violaceus var. pubescens A.Gray Psoralea purpurea (Vent.) Poir. Psoralea violacea DC. |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, SAS Saskatchewan) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, WYO Wyoming) 74 North-Central U.S.A. (ILL Illinois, KAN Kansas, MIN Minnesota, NDA North Dakota, OKL Oklahoma, WIS Wisconsin) 75 Northeastern U.S.A. (INI Indiana, MIC Michigan) 76 Southwestern U.S.A. (ARI Arizona) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 78 Southeastern U.S.A. (ALA Alabama, GEO Georgia, KTY Kentucky, LOU Louisiana, TEN Tennessee) |