Onagraceae
Four-angled sundrops
Oenothera tetragona
- Family
- Onagraceae
- Genus
- Oenothera
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Common names
By language (5)
- Chinese
- 四棱月见草
- Czech
- Pupalka sivá
- English
- Four-angled sundrops, Shrubby sundrops, Narrowleaf evening primrose, Narrowleaf evening-primrose, Sundrops
- Finnish
- Kultahelokki
- Polish
- Wiesiołek czworokątny
Synonyms
- Kneiffia fraseri Spach
- Kneiffia glauca (Michx.) Spach
- Kneiffia latifolia Rydb.
- Kneiffia serotina (Lehm.) Bartl.
- Kneiffia tetragona (Roth) Pennell
- Kneiffia tetragona var. hybrida Pennell
- Oenothera ambigua (Nutt.) Spreng.
- Oenothera canadensis Goldie
- Oenothera fraseri Pursh
- Oenothera fruticosa f. incana (Nutt.) Voss
- Oenothera fruticosa subsp. glauca (Michx.) Straley
- Oenothera fruticosa subsp. tetragona (Roth) W.L.Wagner
- Oenothera fruticosa var. ambigua Nutt.
- Oenothera fruticosa var. differta Millsp.
- Oenothera fruticosa var. fraseri (Pursh) Hook.
- Oenothera fruticosa var. glauca (Michx.) H.Lév.
- Oenothera fruticosa var. incana (Nutt.) Hook.
- Oenothera fruticosa var. maculata H.Lév.
- Oenothera glauca Michx.
- Oenothera glauca f. fraseri (Pursh) Voss
- Oenothera glauca var. fraseri (Pursh) Torr. & A.Gray
- Oenothera hybrida Michx.
- Oenothera hybrida var. ambigua S.F.Blake
- Oenothera incana Nutt.
- Oenothera serotina Lehm.
- Oenothera tetragona f. hybrida (Michx.) Munz
- Oenothera tetragona subsp. glauca (Michx.) Munz
- Oenothera tetragona var. fraseri (Pursh) Munz
- Oenothera tetragona var. hybrida (Michx.) Fernald
- Oenothera tetragona var. tetragona
- Oenothera tetragona var. typica Munz
Photos
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, 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). About our plant data.