| Family | FABACEAE |
| Genus species | Trifolium hansenii Greene trib. Trifolieae |
| Bibliography | Erythea 3: 17 (1895) |
| Native Range | Oregon to Nevada |
| Primary Biome | Temperate |
| Habitat | grassland |
| Altitude | 1100-3000m |
| Description | stems thin, leaves petiolate, leaflets 3, cuneate-obcordate or obtusely obovate, the upper oblanceolate, acute, denticulate or serrulate, floral heads ovoid, calyx glabrous |
| Size | 8-15cm |
| Color | white, purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; basal cuttings in late spring and summer |
| Synonyms | Trifolium longipes var. hansenii (Greene) Jeps. Trifolium longipes f. hansenii (Greene) McDermott Trifolium longipes ssp. hansenii (Greene) J.M.Gillett Trifolium longipes var. nevadense Jeps. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |