Oenothera sp.
Evening-primrose, Evening-Primrose
(c) Lauren McLaurin, some rights reserved (CC BY), uploaded by Lauren McLaurin · licence
Family: Onagraceae · Type: Perennial · Variable; species dependent
Oenothera sp. (Evening-primrose) is a non-native California perennial in the Onagraceae family.
How to tell it apart
vs Camissoniopsis: Oenothera has a 4-lobed cross-shaped stigma; Camissoniopsis has a round stigma and four-angled fruits.; vs Clarkia: Oenothera has 4-lobed stigma and yellow flowers; Clarkia has round stigma and pink/purple flowers.; vs Rosa: Oenothera has 4 petals and capsule fruits; Rosa has 5+ petals and rose hips.; vs Convolvulus: Oenothera has separate petals; Convolvulus has fused trumpet-shaped flowers (morning glory family).; vs Taraxia: Oenothera has robust stems with 4-lobed stigma; Taraxia is stemless with flowers at ground level.
Frequently asked questions
Is Oenothera sp. native to California?
No. Oenothera sp. is not native to California (recorded as variable; species dependent).
What plant family does Oenothera sp. belong to?
Oenothera sp. is in the Onagraceae family, genus Oenothera.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.