| Family | FABACEAE |
| Genus species | Astragalus siliceus Barneby trib. Galegeae |
| Bibliography | Leafl. W. Bot. 8: 14 (1956) |
| Native Range | New Mexico |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 1800-2000m |
| Description | subcaulescent, leaves crowded, silvery pilose, leaflets 5-9, elliptic, raceme 1-3-flowered, amongst leaves, flowers 10-12mm long, pod patent, ovoid, 5-8mm long |
| Size | 1-5cm |
| Color | pinkish purple |
| Bloom | spring |
| Ca | + |
| Type | perennial |
| 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 |
| Territory | 7 Northern America 77 South-Central U.S.A. (NWM New Mexico) |