Robert W. Freckmann Herbarium

  Oenothera pilosella Raf. subsp. pilosella image
Photographer: Kitty Kohout           
Family Onagraceae
Oenothera pilosella Raf. subsp. pilosella
meadow evening-primrose, meadow sundrops, prairie sundrops
Oenothera: from Greek oinos, "wine," and thera, "to imbibe," because an allied European plant was thought to induce a taste for wine
pilosella: pilosus for "hairy;" ella for "diminutive;" hence "a little hairy"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
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Status: Introduced - escaped
Plant: erect, perennial, to 32" tall forb, with long hairs especially towards the top
Flower: 4-parted, 1 1/4"-2" wide, unopened flowers not nodding, petals notched at the tip; inflorescence a dense spike; blooms June-July
Fruit:elliptical capsule tapering towards the base
Leaf:lance-like, mostly stalkless, alternate
Habitat: moist to wet; meadows, fields, open woods

More Information Natural Communities Herbarium Specimens
All Oenothera list Google- Images or Text
Kneiffia pilosella (Raf.) A.Heller
Kneiffia pratensis Small
Kneiffia sumstinei Jenn.

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