| Family | ONAGRACEAE |
| Genus species | Oenothera fruticosa L. sect. Kneiffia |
| Bibliography | Sp. Pl. 1: 346 (1753) |
| Native Range | nc. & e. USA |
| Primary Biome | Temperate |
| Habitat | grassland |
| Altitude | 0-1700m |
| Description | leaves lanceolate to linear, petiolate, petiole at base widest, 20-75mm long, flowers 3-5cm across in raceme |
| Size | 30-60cm |
| Color | dark yellow |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C cuttings in late summer |
| Synonyms | Kneiffia allenii Small Kneiffia angustifolia Spach Kneiffia arenicola Small Kneiffia brevistipata Pennell Kneiffia floribunda Spach Kneiffia fruticosa (L.) Raim. Kneiffia fruticosa var. diferta Millsp. Kneiffia fruticosa var. humifusa Pennel Kneiffia fruticosa var. unguiculata (Fernald) Moldenke Kneiffia linearis Spach Kneiffia linearis var. allenii Britton Kneiffia longipedicellata Small Kneiffia maculata Spach Kneiffia riparia (Nutt.) Small Kneiffia semiglandulosa Pennell Kneiffia subglobosa Small Kneiffia suffruticosa Spach Kneiffia tetragona var. longistipata Pennell Kneiffia velutina Pennell Oenothera florida Salisb. Oenothera fruticosa f. angustifolia H.Lév. Oenothera fruticosa f. diversifolia H.Lév. Oenothera fruticosa var. eamesii (B.L.Rob.) S.F.Blake Oenothera fruticosa var. goodmanii Munz Oenothera fruticosa var. humifusa Allen Oenothera fruticosa var. linearifolia Hook. Oenothera fruticosa var. linearis (Michx.) S.Watson Oenothera fruticosa f. lucida H.Lév. Oenothera fruticosa var. microcarpa Fernald Oenothera fruticosa f. phyllopus (Hook.) Voss Oenothera fruticosa var. phyllopus Hook. Oenothera fruticosa f. sessilicarpa H.Lév. Oenothera fruticosa var. subglobosa (Small) Munz Oenothera fruticosa var. unguiculata Fernald Oenothera fruticosa var. vera Hook. Oenothera fruticosa var. youngii L.H.Bailey Oenothera hybrida Michx. Oenothera incana Nutt. Oenothera linearis Michx. Oenothera linearis var. angustifolia Pursh Oenothera linearis var. brevifolia Pursh Oenothera linearis var. eamesii B.L.Rob. Oenothera longipedicellata (Small) B.L.Rob. Oenothera mollissima Walter Oenothera serotina Sweet Oenothera subglobosa (Small) Weath. & Griscom Oenothera subglobosa var. arenicola Weath. & Griscom Oenothera tetragona var. brevistipata (Pennell) Munz Oenothera tetragona var. longistipata (Pennell) Munz Oenothera tetragona var. riparia (Nutt.) Munz Oenothera tetragona var. sharpii Munz Oenothera tetragona var. velutina (Pennell) Munz Oenothera unguiculata (Fernald) Sorrie & al. Oenothera youngii L.H.Bailey Onagra linkiana Spach Onagra media Spach Sphaerostigma arenicola A.Nelson |
| Territory | 7 Northern America 74 North-Central U.S.A. (ILL Illinois, MSO Missouri, OKL Oklahoma) 75 Northeastern U.S.A. (CNT Connecticut, INI Indiana, MAS Masachusettes, NWJ New Jersey, NWY New York, OHI Ohio, PEN Pennsylvania, WVA West Virginia) 78 Southeastern U.S.A. (ALA Alabama, ARK Arkansas, DEL Delaware, FLA Florida, GEO Georgia, KTY Kentucky, LOU Louisiana, MRY Maryland, MSI Mississippi, NCA North Carolina, SCA South Carolina, TEN Tennessee, VRG Virginia, WDC District of Columbia) |