Eriogonum umbellatum var. hypoleium
Sulfur Buckwheat

Family: Polygonaceae (Buckwheat family)

Photo taken at Swauk Pass, open rocky slope in mixed conifer forest

Flowers:

perianth bright yellow, glabrous; involucre lobes greater than half as long as the tube, reflexed or spreading; perianth abruptly stipe-like at base; primary rays of umbels not branched or bracteate in middle; flower stem leafless near middle

Fruit:

Leaves:

leaf blades glabrous on both surfaces, and slightly tomentose on margins and midribs, mostly obovate in shape

Plant:

usually greater than 1 dm tall

Habitat:

rocky outcrops and sunny slopes

Distribution of species:

primarily in the Wenatchee Mountains

Distribution of genus:

more or less 200 species: North America