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Eriogonum umbellatum
Also called Sulphur Flower, Sulfur Buckwheat, Sulphur Buckwheat, Sulphur Flowered Buckwheat, Sulphur Flowered Wild Buckwheat, Sulfur Eriogonum, Sulphur Wildbuckwheat
Eriogonum umbellatum is a species of wild buckwheat known by the common name sulphurflower buckwheat, or simply sulphur flower.
The wildflower gardening author Claude A. Barr complemented sulphurflower buckwheat as a "treasure in appearance and in adaptation in my garden." It is valued for its very low water usage for xeriscaping. The cultivar "Kannah Creek", a selection of Eriogonum umbellatum var. aureum, has been introduced to the garden trade by the Plant Select cooperative sponsored by Colorado State University and Denver Botanic Gardens. It grows in USDA zones 4–8.
It is native to western North America from California to Colorado to central Canada, where it is abundant and found in many habitats, including the sagebrush steppe and alpine areas.
Abert's buckwheat · Winged buckwheat · Shale barren buckwheat · Trinity buckwheat · Mono buckwheat · Anglestem buckwheat · San Jacinto buckwheat · Ione buckwheat · Santa Cruz Island buckwheat · Clay buckwheat · Sulphur Hot Springs buckwheat · Bailey's buckwheat
Text excerpted from the Wikipedia article Eriogonum umbellatum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
