| Family | FABACEAE |
| Genus species | Acmispon argophyllus (A.Gray) Brouillet trib. Loteae |
| Bibliography | J. Bot. Res. Inst. Texas 2: 388 (2008) |
| Native Range | California to nw. Mexico |
| Primary Biome | Subtropical |
| Habitat | rocky slopes |
| Altitude | 300-1700m |
| Description | densely silvery hirsute, leaves pinnate, leaflets 3-5, obovate, 4-12mm long, flowers 3-8, 7-10mm long, in axillary umbels |
| Size | 5-60cm |
| Color | bright yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, dark, moist, germ. 1 month, 18-21°C cuttings in late spring and late summer |
| Synonyms | Hosackia argentea Kellogg Hosackia argophylla A.Gray Hosackia argophylla var. decora I.M.Johnst. Hosackia ornithopus ssp. venusta (Eastw.) Abrams Hosackia venusta Eastw. Lotus argophyllus (A.Gray) Greene Lotus argophyllus ssp. decorus (I.M.Johnst.) Munz Lotus argophyllus var. decorus (I.M.Johnst.) Ottley Lotus argophyllus var. fremontii (A.Gray) Ottley Lotus niveus Greene Lotus venustus A.Heller Syrmatium argophyllum (A.Gray) Greene |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) 79 Mexico (MXI Mexican Pacific Is., MXN Mexico Northwest) |