| Family | ONAGRACEAE |
| Genus species | Oenothera berlandieri (Spach) Steud. |
| Bibliography | Nomencl. Bot., ed. 2, 2: 206 (1841) |
| Native Range | Kansas to ne. Mexico |
| Primary Biome | Subtropical |
| Habitat | steppes |
| Altitude | 0-1200m |
| Description | stems numerous, procumbent, leaves linear or oblanceolate, subentire to serrate, acute, flowers solitary, opened in sunset, petals 15-25mm |
| Size | 15-35cm |
| Color | yellow |
| Bloom | 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 | Calylophus berlandieri Spach Calylophus drummondiana ssp. berlandieri (Spach) Towner & Raven Meriolix berlandieri (Spach) Walp. Oenothera capillifolia ssp. berlandieri (Spach) W.L.Wagner & Hoch |
| Territory | 7 Northern America 74 North-Central U.S.A. (KAN Kansas, OKL Oklahoma) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 78 Southeastern U.S.A. 79 Mexico (MXE Mexico Northeast) |