| Family | ONAGRACEAE |
| Genus species | Oenothera psammophila (A.Nelson & J.F.Macbr.) Wagner et al. sect. Pachylophus |
| Bibliography | Syst. Bot. Monogr. 12: 84 (1985) |
| Native Range | Idaho (Fremont Co.) |
| Primary Biome | Temperate |
| Habitat | sands |
| Altitude | 1500-1650m |
| Description | taproot, glabrous, leaves oblanceolate, entire or sinuate-dentate, 7-15cm, flowers solitary, axillary, petals bilobate, 25-45mm long, in time red-purple |
| Size | 10-30cm |
| Color | white |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C cuttings in late summer |
| Synonyms | Oenothera caespitosa var. psammophila (A.Nelson & J.F.Macbr.) Munz Pachylophus psammophilus A.Nelson & J.F.Macbr. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho) |