Oxalidaceae
Blue woodsorrel
Oxalis caerulea
- Family
- Oxalidaceae
- Genus
- Oxalis
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Common names
By language (2)
- Chinese
- 天蓝酢浆草
- English
- Blue woodsorrel
Synonyms
- Ionoxalis caerulea Small
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Bob Nieman, CC BY 4.0, from iNaturalist 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: colinpena, CC BY 4.0, from iNaturalist 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Craig Martin, CC0, from iNaturalist 
Photo: iNaturalist.org, CC BY 4.0, from Wikimedia Commons 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Teresa Jegelewicz Mayfield-Meyer, CC BY 4.0, from iNaturalist 
Photo: Cecelia Alexander, CC0, from iNaturalist 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Cecelia Alexander, CC0, from iNaturalist
More in Oxalis
- Oxalis triangularisOxalidaceae
- Wood-sorrelOxalis acetosellaOxalidaceae
- Creeping woodsorrelOxalis corniculataOxalidaceae
- Bermuda buttercupOxalis pes-capraeOxalidaceae
- OcaOxalis tuberosaOxalidaceae
- Common yellow oxalisOxalis strictaOxalidaceae
- Windowbox woodsorrelOxalis articulataOxalidaceae
- Purple woodsorrelOxalis purpureaOxalidaceae
- Four-leaved pink-sorrelOxalis tetraphyllaOxalidaceae
- Broadleaf woodsorrelOxalis latifoliaOxalidaceae
- Redwood-sorrelOxalis oreganaOxalidaceae
- Slender yellow woodsorrelOxalis dilleniiOxalidaceae
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); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.