Calflora
Taxon  Report   7220    
Rumex obtusifolius  L.
Bitter dock
Rumex obtusifolius
© 2008 Louis-M. Landry
Photos from
CalPhotos / Calflora
Rumex obtusifolius
© 2015 Zoya Akulova
Rumex obtusifolius
© 2009 Vernon Smith
Rumex obtusifolius, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Rumex obtusifolius
© 2009 Vernon Smith
Family: POLYGONACEAE  
Genus: Rumex
Communities: weed, characteristic of disturbed places, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Acetosa oblongifolia
PLANTS: Rumex obtusifolius ssp. agrestis
PLANTS: Rumex obtusifolius ssp. sylvestris
. . .
More information about  Rumex obtusifolius
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (RUOB)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 19, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.