| Family | FABACEAE |
| Genus species | Lathyrus rigidus T.G.White trib. Vicieae |
| Bibliography | Bull. Torrey Bot. Club 21: 455 (1894) |
| Native Range | w. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Description | glabrous, leaves 2-5cm long, pinnate, leaflets 4-10 pairs, opposite, oblanceolate, acute, 16-28mm long, raceme lax, 1-3-flowered, pod elliptic-oblanceolate, 3-5cm long, brown |
| Size | 20-30cm |
| Color | lilac, white |
| 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, 13-18°C division in spring; cuttings in late summer |
| Synonyms | Lathyrus albus S.Watson Lathyrus rigidus var. pilosellus M.Peck |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |