| Family | LOASACEAE |
| Genus species | Mentzelia decapetala (Sims) Urb. |
| Bibliography | Ber. Deutsch. Bot. Ges. 10: 263 (1892) |
| Native Range | w. & c. Canada to w. & c. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Description | scabrous-pubescent, leaves alternate, carnose, lanceolate, 4-15cm long, serrate, flowers terminal, fragrant, petals 10, 4-6cm long, anthers numerous |
| Size | 30-100cm |
| Color | pale yellow, white |
| Bloom | late summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late spring and in summer |
| Synonyms | Bartonia decapetala Sims Bartonia ornata Pursh Hesperaster decapetalus (Sims) Cockerell Mentzelia ornata (Pursh) Torr. & A.Gray Nuttallia decapetala (Sims) Greene Torreya ornata (Pursh) Eaton Touterea decapetala Rydb. |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, MAN Manitoba, SAS Saskatchewan) 73 Northwestern U.S.A. (COL Colorado, MNT Montana, WYO Wyoming) 74 North-Central U.S.A. (IOW Iowa, KAN Kansas, MIN Minnesota, NEB Nebraska, OKL Oklahoma, SDA South Dakota) 76 Southwestern U.S.A. (NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) |