Acaena sp.
Family: Rosaceae · Type: Perennial · Variable; species dependent
Acaena sp. is a non-native California perennial in the Rosaceae family.
How to tell it apart
vs Sanguisorba: Acaena fruits are covered in hooked spines that stick to you; Sanguisorba fruits are smooth.; vs Achillea: Acaena has compound leaves with distinct leaflets; Achillea leaves are finely dissected into tiny segments.; vs Horkelia: Acaena has spiny burr fruits; Horkelia has smooth dry seeds without spines.; vs Aphanes: Acaena has large pinnate leaves with distinct leaflets; Aphanes has tiny palm-lobed leaves.; vs Poteridium: Acaena fruits have hooked spines; Poteridium fruits are smooth and four-angled.
Frequently asked questions
Is Acaena sp. native to California?
No. Acaena sp. is not native to California (recorded as variable; species dependent).
What plant family does Acaena sp. belong to?
Acaena sp. is in the Rosaceae family, genus Acaena.
Related species
Other California species in the same genus, family, or bioregion.
- Acaena californica — California acaena
- Acaena novae-zelandiae — Biddy-biddy
- Acaena pallida — Pale biddy-biddy
- Adenostoma fasciculatum — Chamise
- Adenostoma fasciculatum var. fasciculatum — Chamise
- Adenostoma fasciculatum var. obtusifolium — San diego chamise
- Adenostoma fasciculatum var. prostratum — Prostrate chamise
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.