| Family | FABACEAE |
| Genus species | Trifolium gymnocarpon Nutt. trib. Trifolieae |
| Bibliography | Fl. N. Amer. [J.Torrey & A.Gray] 1: 320 (1838) |
| Native Range | w. USA to New Mexico |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Description | rigid taproot, leaves crowded, petiole 3-10cm, leaflets three, ovate to obovate, sharply serrate, floral heads amongst leaves, flowers 8-14mm long |
| Size | 10-15cm |
| Color | red, whitish yellow |
| Bloom | early summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C basal cuttings in late spring and summer |
| Synonyms | Trifolium gymnocarpon ssp. plummerae (S.Watson) J.M.Gillett Trifolium gymnocarpon var. plummerae (S.Watson) J.S.Martin Trifolium gymnocarpon f. plummerae (S.Watson) McDermott Trifolium gymnocarpon var. subcaulescens (A.Gray) A.Nelson Trifolium nemorale Greene Trifolium plummerae S.Watson Trifolium plumeri Lemmon ex Lojac. Trifolium subcaulescens A.Gray |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, ORE Oregon, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |