| Family | FABACEAE |
| Genus species | Trifolium haydenii Porter trib. Trifolieae |
| Synonyms | Trifolium idahoense L.F.Hend. |
| Habitat | rocky slopes |
| Altitude | montane-subalpine |
| Description | glabrous, stems short, leaflets 3, broadly ovate to suborbiculate, distinctly veined, denticulate, heads above leaves, 5-20-flowered, flowers 13-17mm long |
| Size | 10-15cm |
| Color | pink, whitish yellow |
| Bloom | summer |
| Ca | |
| Type | carpet |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; basal cuttings in late spring and summer |
| Territory |
Northern America
Northwestern U.S.A. (Idaho , Montana , Wyoming ) Southwestern U.S.A. (Utah) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | FABACEAE
|