| Family | ONAGRACEAE |
| Genus species | Oenothera pringlei (Munz) Munz sect. Calylophus |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds] ser. 2, 5: 138 (1965) |
| Native Range | s. Texas to ne. Mexico |
| Primary Biome | Desert or Dry Shrubland |
| Habitat | dry, sandy grassland |
| Altitude | 30-1500m |
| Description | sparsely strigose, sometimes glandular-pubescent, leaves 6-35mm, narrowly lanceolate to lanceolate or oblanceolate, entire or minutely serrate, flowers solitary, petals 1-3cm |
| Size | 5-35cm |
| Color | yellow |
| Bloom | spring, summer |
| Ca | |
| Type | subshrub |
| Cultivation | dry, 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 | Calylophus hartwegii var. maccartii Shinners Calylophus hartwegii ssp. macarthii (Shinners) Towner & Raven Oenothera greggii var. pringlei Munz Oenothera hartwegii ssp. maccartii (Shinners) W.L.Wagner & Hoch |
| Territory | 7 Northern America 77 South-Central U.S.A. (TEX Texas) 79 Mexico (MXE Mexico Northeast) |