| Family | FABACEAE |
| Genus species | Trifolium attenuatum Greene trib. Trifolieae |
| Bibliography | Pittonia 4: 137 (1900) |
| Native Range | Colorado to New Mexico |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | leaflets narrowly linear, attenuate, 1-4cm long, entire, sparsely hirsute, peduncles sparsely strigose, calyx sparsely lanate, lobes subulate, corolla 15-18mm long |
| Size | 5-10cm |
| Color | reddish 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 bracteolatum Rydb. Trifolium dasyphyllum f. attenuatum (Greene) McDermott Trifolium dasyphyllum var. stenolobum (Rydb.) McDermott Trifolium lilacinum Rydb. Trifolium petraeum Greene Trifolium stenolobum Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado) 77 South-Central U.S.A. (NWM New Mexico) |