Oxalis trilliifolia Calflora

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Taxon Report

Oxalis trilliifolia Hook.

Three leaf woodsorrel, Threeleaf woodsorrel

Oxalis trilliifolia is a perennial herb that is native to California, and also found elsewhere in western North America.


	Plant Range Observation Search ~9 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Genus:	Oxalis
Family:	Oxalidaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Toxicity: Possible skin irritation from touching any part of this plant.
Do not eat any part of this plant.

Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: Douglas-Fir Forest, Red Fir Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:


PLANTS	Hesperoxalis trilliifolia

Information about Oxalis trilliifolia from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (OXTR) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/11/2025).