Family | FABACEAE |
Genus species | Astragalus obscurus S.Watson trib. Galegeae |
Bibliography | Botany [Fortieth Parallel] 69, 437 (1871) |
Native Range | w. USA |
Primary Biome | Temperate |
Habitat | rocks |
Altitude | 800-2000m |
Description | leaves 3-10cm, leaflets 5-15 pairs, remote, elliptic to oblong, thick, flowers 5-15 in dense raceme, pod erect, 10-25mm long, linear-oblong, coriaceous, finely strigose |
Size | 5-10cm |
Color | yellowish |
Bloom | spring |
Ca | + |
Type | shrub |
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 | Tium obscurum (S.Watson) Rydb. Tragacantha obscura (S.Watson) Kuntze |
Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |