Rumex obtusifolius Calflora

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Taxon Report

Rumex obtusifolius L.

Bitter dock

Rumex obtusifolius is a perennial herb that is not native to California.


	Plant Range Observation Search ~217 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Genus:	Rumex
Family:	Polygonaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Toxicity: Possible skin irritation from touching the leaf of this plant.
Do not eat the leaf of this plant.

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: disturbed

Communities: wetland-riparian, weed, characteristic of disturbed places

Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:


PLANTS	Acetosa oblongifolia
JEF + PLANTS	Rumex obtusifolius ssp. agrestis
PLANTS	Rumex obtusifolius ssp. sylvestris
PLANTS	Rumex obtusifolius var. sylvestris

Information about Rumex obtusifolius from other sources


Jepson eFlora USDA PLANTS Profile (RUOB) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) BONAP Distribution Map Consortium of California Herbaria 2	Add an Observation Location Suitability 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: 03/28/2025).