Oemleria sp.
Oso berry, Oso Berry
(c) Gavin Slater, some rights reserved (CC BY) · licence
Family: Rosaceae · Type: Annual · Native
Oemleria sp. (Oso berry) is a native California annual in the Rosaceae family.
How to tell it apart
vs Frangula: Oemleria has drooping white flower clusters; Frangula has upright tiny yellowish flowers in leaf axils.; vs Lonicera: Oemleria has regular 5-petaled flowers in drooping racemes; honeysuckles have tubular 2-lipped flowers.; vs Prunus: Oemleria produces 2-6 small drupes per flower; Prunus produces one larger drupe per flower.; vs Heteromeles: Oemleria has drooping racemes and simple leaves; toyon has upright clusters and toothed compound-appearing leaves.; vs Aesculus: Oemleria has simple leaves and drooping clusters; buckeye has palmately compound leaves and upright spikes.
Frequently asked questions
Is Oemleria sp. native to California?
Yes. Oemleria sp. is native to California (recorded as native).
What plant family does Oemleria sp. belong to?
Oemleria sp. is in the Rosaceae family, genus Oemleria.
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.