| Family | ONAGRACEAE |
| Genus species | Oenothera capillifolia Scheele |
| Bibliography | Linnaea 21: 576 (1848) |
| Native Range | Oklahoma to Mississippi |
| Primary Biome | Subtropical |
| Habitat | steppes |
| Altitude | 0-1200m |
| Description | leaves linear-spathulate to narrowly linear, 4-7cm long, dentate or serrate, flowers solitary, sepals 5-6mm, petals 15-25cm long |
| Size | 10-50cm |
| Color | yellow |
| Bloom | late 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 | Calylophus berlandieri ssp. pinifolius (Engelm. ex A.Gray) Towner Meriolix capillifolia (Scheele) Small Meriolix hillii Small Meriolix melanoglottis Rydb. Meriolix serrulata var. pinifolia (Engelm. ex A.Gray) Small Oenothera berlandieri ssp. pinifolia (Engelm. ex A.Gray) W.L.Wagner & Hoch Oenothera serrulata var. maculata H.Lév. Oenothera serrulata var. pinifolia Engelm. ex A.Gray Oenothera serrulata ssp. pinifola (Engelm. ex A.Gray) Munz |
| Territory | 7 Northern America 74 North-Central U.S.A. (OKL Oklahoma) 77 South-Central U.S.A. (TEX Texas) 78 Southeastern U.S.A. (LOU Louisiana, MSI Mississippi) |