| Family | FABACEAE |
| Genus species | Astragalus tricarinatus A.Gray |
| Bibliography | Proc. Amer. Acad. Arts 12: 56 (1877) |
| Native Range | s. California |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 400-1300m |
| Description | finely strigose, leaves 7-20cm, leaflets 17-27, spreading, 3-9mm, narrowly obovate, abaxially silvery, adaxially green, flowers 5-15, patent, 13-16mm, pod adscendent, glabrous |
| Size | 5-25cm |
| Color | whitish |
| Bloom | spring |
| 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 | Hamosa tricarinata (A.Gray) Rydb. |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) |