| Family | ONAGRACEAE |
| Genus species | Oenothera canescens Torr. & Frém. sect. Gauropsis |
| Bibliography | Rep. Exped. Rocky Mts. [J.C.Frémont]: 315 (1845) |
| Native Range | nw. & c. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 400-1700m |
| Description | leaves to 2cm, lanceolate to linear, subentire or sinuate-denticulate, acute, cuneate, subsessile, buds erect, open up in morning, petals obovate, to 17mm |
| Size | 10-35cm |
| Color | pink, white |
| Bloom | late spring, summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C cuttings in late summer |
| Synonyms | Gaurella canescens (Torr. & Frém.) A.Nelson Gaurella guttulata (Geyer ex Hook.) Small Gauropsis canescens (Torr. & Frém.) Cockerell Gauropsis guttulata (Geyer ex Hook.) Cockerell Megapterium canescens (Torr. & Frém.) Britton Oenothera guttulata Geyer ex Hook. Pachylophus canescens (Torr. & Frém.) Piper |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, WYO Wyoming) 74 North-Central U.S.A. (KAN Kansas, NEB Nebraska, OKL Oklahoma) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) |