Polygonaceae
Rock buckwheat
Eriogonum sphaerocephalum
- Family
- Polygonaceae
- Genus
- Eriogonum
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Common names
By language (1)
- English
- Rock buckwheat
Synonyms
- Eriogonum ellipticum var. megacephalum Nutt.
- Eriogonum fasciculifolium A.Nelson
- Eriogonum geniculatum Nutt.
- Eriogonum sphaerocephalum subsp. megacephalum (Nutt.) S.Stokes
- Eriogonum sphaerocephalum var. brevifolium S.Stokes ex M.E.Jones
- Eriogonum sphaerocephalum var. fasciculifolium S.Stokes
- Eriogonum sphaerocephalum var. geniculatum (Nutt.) S.Stokes
- Eriogonum sphaerocephalum var. megacephalum (Nutt.) S.Stokes ex M.E.Jones
- Eriogonum sphaerocephalum var. sphaerocephalum
Flowers
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Shrub, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 4.0, from Wikimedia Commons
More in Eriogonum
- Sulphur-flower buckwheatEriogonum umbellatumPolygonaceae
- Winged buckwheatEriogonum alatumPolygonaceae
- Eastern Mojave buckwheatEriogonum fasciculatumPolygonaceae
- St. Catherine's laceEriogonum giganteumPolygonaceae
- Heermann's buckwheatEriogonum heermanniiPolygonaceae
- Desert trumpetEriogonum inflatumPolygonaceae
- Matted buckwheatEriogonum caespitosumPolygonaceae
- Tehachapi buckwheatEriogonum callistumPolygonaceae
- James' buckwheatEriogonum jamesiiPolygonaceae
- Slender buckwheatEriogonum microthecumPolygonaceae
- Pinnacles buckwheatEriogonum nortoniiPolygonaceae
- MountainmistEriogonum parishiiPolygonaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.