Calflora Taxon Report
Rumex hymenosepalus  Torr.
Canaigre dock, Wild rhubarb
photo on Calflora
2008 Steve Matson
photo on Calflora
2008 Steve Matson
photo on Calflora
2008 Steve Matson
photo on Calflora
2021 Ron Vanderhoff
photo on Calflora
2021 keith wayne garcia
photo on Calflora
2010 Terry Miller
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2019 Dee Shea Himes
photo on Calflora
2025 Ron Vanderhoff
photo on Calflora
2025 Ron Vanderhoff
photo on Calflora
2019 Adam Chasey
photo on Calflora
2021 Ron Vanderhoff
photo on Calflora
2024 Ryan O'Dell
photo on Calflora
2019 Dee Shea Himes
photo on Calflora
2023 Ron Vanderhoff
photo on Calflora
2020 Matt Berger
photo on Calflora
2026 Mike Russler
photo on Calflora
2026 Mike Russler
photo on Calflora
2024 Jordan Collins
photo on Calflora
2021 Ron Vanderhoff
photo on Calflora
2024 Ryan O'Dell
Rumex hymenosepalus is a perennial herb that is native to California, and also found elsewhere in western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
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.

Communities: Coastal Sage Scrub, Creosote Bush Scrub, Chaparral, Valley Grassland, Joshua Tree Woodland

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
PLANTSRumex hymenosepalus var. euhymenosepalus
PLANTSRumex hymenosepalus var. salinus
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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