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Photographer: Hugh H. Iltis
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Family Onagraceae
Oenothera clelandii W.Dietr., P.H.Raven & W.L.Wagner
Cleland's evening-primrose, sand evening-primrose
Oenothera: from Greek oinos, "wine," and thera, "to imbibe," because an allied European plant was thought to induce a taste for wine
clelandii: for Ralph Erskine Cleland, 1892-1971, American botanist who studied Oenothera
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| Status: | Native |
| Plant: | erect, biennial, 16"-40" tall forb |
| Flower: | yellow, 4-parted, 1/3"-1 1/4" wide, petals elliptical to oval; inflorescence a 3"-12" dense, terminal spike; blooms June-Sept. |
| Fruit: | mostly linear, usually curving capsule; seeds without tufts of hair at the top, |
| Leaf: | linear to lance-like, alternate |
| Habitat: | fields, prairies; in sandy soil |
| (Glossary) |
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