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Woolly-cup wild buckwheat

Eriogonum lachnogynum Torr.

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Woollycup buckwheat
Woollycup buckwheat
Woollycup buckwheat flowers
Woollycup buckwheat leaves
Woollycup buckwheat inflorescence
Woollycup buckwheat
Woollycup buckwheat
Woollycup buckwheat flowers
Woollycup buckwheat
Woollycup buckwheat
Woollycup buckwheat habit

Morphology

Stem
Flowering stem erect, slender, solid, gray-woolly; smaller stems unbranched, larger stems 1- or 2-branched
Leaves
Basal, tufted or mat-forming, blades narrowly elliptic, lanceolate or oblanceolate, .4 to 2 inches long, 1/8 to 1/5 inch wide, surfaces densely white-woolly, margins sometimes rolled under, stalks to 1 inch long.
Inflorescence
Head-like cluster, terminal.
Flower
Involucres bell-shaped, 1/8 to 1/5 inch long, woolly outside, sessile and stalked; perianth yellow, densely pubescent outside; perianth segments 6, alike, lanceolate, united below; stamens 9, extending beyond perianth.
Fruit
Achene, 1/8 to 1/6 inch long, densely woolly, 1-seeded.

Ecology

Habitat
Rocky slopes, shale mesas, and clay banks; dry soils.
Distribution
Southwest 1/8 of Kansas.
Quick Facts
Plant Type
Wildflower
Family
Polygonaceae - Buckwheat Family
Life Span
Perennial
Height
4-10 inches
Last Updated
2026-03-27
Color Groups
Yellow Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July, August, September, October