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Eriogonum compositum  Douglas ex Benth.
Arrowleaf buckwheat
© 2017 Steve Matson
© 2017 Steve Matson
© 2021 Steve Conger
© 2022 Jamie Spielmann
© 2019 Matt Berger
© 2019 Matt Berger
© 2024 Mary Ann Machi
© 2024 Mary Ann Machi
© 2021 Steve Conger
© 2017 Steve Matson
© 2019 Matt Berger
Eriogonum compositum 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
Subspecies and Varieties:
Genus: Eriogonum
Family: Polygonaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Yellow Pine Forest, Red Fir Forest
Name Status:
Accepted by PLANTS + POWO

Information about  Eriogonum compositum from other sources
Nursery availability from CNPLX
This plant is available commercially.
USDA PLANTS Profile (ERCO12)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[sevenoaksnativenursery.com/] Habitat, Insect & Animal Uses: Ecology: found primarily east of the Cascades on dry rocky ridges at elevations lower than 8200 ft (2500 m). Eriogonum compositum is a very important butterfly plant. The flowers, leaves and seeds are all used by smaller animals. (link added by Mary Ann Machi)


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: 04/12/2025).