| Family | ONAGRACEAE |
| Genus species | Oenothera serrulata Nutt. sect. Calylophus |
| Synonyms | Oenothera spinulosa Nutt. |
| Habitat | american prairie |
| Altitude | 0-2100m |
| Description | stems thin, branched, leaves alternate, linear to oblong or spathulate, serrate to entire, flowers sessile, axillary, petals crenulate |
| Size | 10-30cm |
| 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 basal cuttings in late summer |
| Territory |
Northern America
Western Canada (Alberta , Manitoba , Saskatchewan ) Eastern Canada (Ontario ) Northwestern U.S.A. (Colorado , Montana , Wyoming ) North-Central U.S.A. (Illinois , Iowa , Kansas , Minnesota , Missouri , North Dakota , Nebraska , Oklahoma , South Dakota , Wisconsin ) Northeastern U.S.A. (Indiana , Michigan , Vermont ) Southwestern U.S.A. (Arizona ) South-Central U.S.A. (New Mexico ) Southeastern U.S.A. (Arkansas , Kentucky) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ONAGRACEAE
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