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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Eriogonum polyanthum

Eriogonum polyanthum Benth.

American River Sulphur Flower, Many Flowered Buckwheat, Sulfur Buckwheat, Sulphur-flower Buckwheat

Polygonaceae (Buckwheat family)

Synonym(s): Eriogonum umbellatum ssp. dumosum, Eriogonum umbellatum ssp. polyanthum, Eriogonum umbellatum var. polyanthum

USDA Symbol: ERPO16

USDA Native Status: L48 (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Herb , Subshrub , Shrub
Fruit Type: Achene
Size Notes: Up to about 40 inches tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct

Distribution

USA: CA , OR
Native Habitat: Serpentine flats and slopes, oak and montane conifer woodlands.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Eriogonum polyanthum in USDA Plants
FNA: Find Eriogonum polyanthum in the Flora of North America (if available)
Google: Search Google for Eriogonum polyanthum

Metadata

Record Modified: 2020-11-12
Research By: CBR

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