Onagraceae
Little evening primrose
Oenothera perennis
- Family
- Onagraceae
- Genus
- Oenothera
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Common names
By language (4)
- Arabic
- أخدرية معمرة
- Chinese
- 宿根月见草
- English
- Little evening primrose, Small sundrops, Small evening primrose
- Swedish
- Dvärgnattljus
Synonyms
- Kneiffia gracilis (Fisch. & C.A.Mey.) Bartl.
- Kneiffia michauxii Spach
- Kneiffia perennis (L.) Pennell
- Kneiffia pumila Spach
- Oenothera chrysantha Michx.
- Oenothera gracilis Schrad. ex Fisch. & C.A.Mey.
- Oenothera perennis f. rectipilis (S.F.Blake) B.Boivin
- Oenothera perennis var. perennis
- Oenothera perennis var. rectipilis (S.F.Blake) S.F.Blake
- Oenothera perennis var. typica Munz
- Oenothera pumila L.
- Oenothera pumila var. chrysantha Gordinier & Howe
- Oenothera pumila var. minima Lehm. ex Hook.
- Oenothera pumila var. pusilla (Michx.) Torr. & A.Gray
- Oenothera pumila var. rectipilis S.F.Blake
- Oenothera pusilla Michx.
- Oenothera riparia Lehm.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native, St. Pierre and Miquelon: introduced
Photos

Photo: Frank Mayfield, CC BY-SA 2.0, from Wikimedia Commons
More in Oenothera
- Common evening primroseOenothera biennisOnagraceae
- Redsepal evening primroseOenothera glaziovianaOnagraceae
- Rose evening primroseOenothera roseaOnagraceae
- Lindheimer's beeblossomOenothera lindheimeriOnagraceae
- Evening primroseOenothera parvifloraOnagraceae
- PinkladiesOenothera speciosaOnagraceae
- Chilean evening primroseOenothera strictaOnagraceae
- Beach evening primroseOenothera drummondiiOnagraceae
- Bigfruit evening primroseOenothera macrocarpaOnagraceae
- Cutleaf evening primroseOenothera laciniataOnagraceae
- Oakes' evening primroseOenothera oakesianaOnagraceae
- Fourwing evening primroseOenothera tetrapteraOnagraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.