| Family | ONAGRACEAE |
| Genus species | Oenothera gayleana M.L.Turner & M.J.Moore sect. Calylophus |
| Bibliography | Phytologia 96: 200 (2014) |
| Native Range | New Mexico to nw. Texas |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 500-1400m |
| Description | leaves complicate, linear to narrowly linear-lanceolate, subglabrous, entire or slightly serrate, sepals 4-6mm, corolla lobes 15-20mm long, 10-15mm wide |
| Size | 15-30cm |
| 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 | Oenothera capillifolia var. gayleana (B.L.Turner & M.J.Moore) Allred |
| Territory | 7 Northern America 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) |