| Family | ONAGRACEAE |
| Genus species | Oenothera muelleri Munz sect. Ravenia |
| Bibliography | Bull. Torrey Bot. Club 64: 304 (1937) |
| Native Range | ne. Mexico |
| Primary Biome | Desert or Dry Shrubland |
| Habitat | dry, rocky slopes |
| Description | leaves thick, carnose, dark green, subglabrous, stem leaves broadly oblanceolate or ovate, pinnatilobate, lobes oblong, rounded, flowers 1-2, petals 4-6cm, obcordate |
| Size | 5-30cm |
| Color | white |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in fall; cuttings in late summer |
| Territory | 7 Northern America 79 Mexico (MXE Mexico Northeast) |