Contains 22 accepted taxa overall.

Characteristics
Oenothera L.
EVENING PRIMROSE
Classification
Magnoliophyta - Flowering Plants
Magnoliopsida
Rosidae
Myrtales
Oenothera
Citation
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TYPE: Oenothera biennis Linnaeus Lectotypified by Rose, Contr. U.S. Natl. Herb. 8: 330. 1905.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Oenothera biennis Common evening primrose Native FACU (NWPL)
Oenothera clelandii Sand primrose; Cleland's evening primrose Native FACU (NWPL)
Oenothera curtiflora Small-flowered gaura Not Native UPL (NWPL)
Oenothera filiformis Long-flowered gaura Native
Oenothera filipes Slender-stalked guara Native
Oenothera fruticosa subsp. fruticosa Shrubby sundrops Native FACU+ (NWPL)
Oenothera fruticosa subsp. tetragona Narrow-leaved evening primrose Native
Oenothera gaura Biennial gaura Native
Oenothera glaucifolia Narrow-leaved false gaura Not Native
Oenothera glazioviana Large-flowered evening primrose Not Native UPL (NWPL)
Oenothera grandis Showy ragged evening primrose Not Native UPL (NWPL)
Oenothera laciniata Ragged evening primrose Native FACU (NWPL)
Oenothera nutans Nodding evening primrose Native FACU (NWPL)
Oenothera oakesiana Oakes's evening primrose Native FACU (NWPL)
Oenothera parviflora Small-flowered evening primrose Native FACU (NWPL)
Oenothera perennis Small sundrops; Small-evening primrose Native Rare-State FAC (NWPL)
Oenothera pilosella Prairie sundrops Native FAC- (NWPL)
Oenothera serrulata Toothed sundrops Not Native
Oenothera speciosa Showy evening primrose; White evening-primrose Not Native UPL (NWPL)
Oenothera suffrutescens Scarlet beeblossom Not Native
Oenothera triloba Evening primrose; Stemless evening-primrose Native UPL (NWPL)
Oenothera villosa subsp. villosa Grayish evening primrose Native
Identification Key

No identification key is available for this family.

Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.