| Family | ONAGRACEAE |
| Genus species | Oenothera brachycarpa A.Gray sect. Megapterium |
| Bibliography | Smithsonian Contr. Knowl. 3(5): 70 (1852) |
| Native Range | Kansas to se. Nevada and n. Mexico |
| Primary Biome | Desert or Dry Shrubland |
| Habitat | dry, sandy grassland |
| Altitude | 1000-2ý00m |
| Description | taproot , leaves lanceolate to elliptic, grey-green, strigose, irregularly pinnatifid, terminal segment large, flowers 1-3, open up morning, petals 4-6cm, anthers yellow |
| Size | 5-20cm |
| Color | pale yellow |
| Bloom | spring, summer |
| Ca | + |
| Type | perennial |
| 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 | Lavauxia brachycarpa (A.Gray) Britton Lavauxia graminifolia (H.Lév.) Rose Lavauxia wrightii (A.Gray) Small Megapterium brachycarpum (A.Gray) Rydb. Megapterium brachycarpum var. wrightii (A.Gray) Rydb. Oenothera australis (Wooton & Standl.) Tidestr. Oenothera brachycarpa var. stenophylla H.Lév. Oenothera brachycarpa var. typica Munz Oenothera brachycarpa var. wrightii (A.Gray) H.Lév. Oenothera cespitosa var. australis (Wooton & Standl.) Munz Oenothera cespitosa ssp. australis (Wooton & Standl.) Munz Oenothera graminifolia H.Lév. Oenothera wrightii A.Gray Pachylophus australis Wooton & Standl. |
| Territory | 7 Northern America 74 North-Central U.S.A. (KAN Kansas) 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 79 Mexico (MXE Mexico Northeast, MXN Mexico Northwest) |