| Family | FABACEAE |
| Genus species | Astragalus platytropis A.Gray trib. Galegeae |
| Bibliography | Proc. Amer. Acad. Arts 6: 526 (1865) |
| Native Range | w. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 2000-3500m |
| Description | sericeous, leaves crowded, 2-7cm, petiole longer than blade, leaflets oblanceolate, 3-10mm, raceme 3-7-flowered, compact, pod ventricose, membranaceous, 2-3cm, acute |
| Size | 5-10cm |
| Color | purple, whitish yellow |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Cystium platytropis (A.Gray) Rydb. Phaca platytropis (A. Gray) Rydb. Tragacantha platytropis (A.Gray) Kuntze |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) |