Page authors: Don Knoke, David Giblin
Eriophyllum lanatum
Oregon sunshine, common woolly sunflower

Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Utah.

Habitat: Dry, open, often rocky areas at low elevations to the subalpine.

Flowers: May-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennial, white-woolly throughout, 1-6 dm. tall, usually several-stemmed from the base.


Leaves variable, 1-8 cm. long, entire to pinnatifid or ternate.


Heads solitary on long peduncles; involucre 6-12 mm. high, the bracts broad, erect and keeled; rays 8-13, yellow, 5-20 mm. long; disk flowers yellow; pappus a toothed crown, or a few chaffy scales.


Achenes slender, 4-angled.

Accepted Name:
Eriophyllum lanatum (Pursh) J. Forbes
Publication: Hort. Woburn. 183. 1833.

Synonyms & Misapplications:
(none provided)
var. integrifolium – Oregon sunshine    Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to California, east to southwestern Montana, Wyoming, and Utah.
var. lanatum – common woolly sunflower    Occurring east of the Cascades crest in far eastern Washington, occasionally occurring west to the east slope of the Cascades crest; eastern Washington to adjacent northeastern Oregon, east to central Idaho and west-central Montana.
var. leucophyllum – common woolly sunflower    Occurring west of the Cascades crest in Washington; southwestern British Columbia to southwestern Oregon.
Additional Resources:

PNW Herbaria: Specimen records of Eriophyllum lanatum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Eriophyllum lanatum checklist entry.

E-Flora BC: Eriophyllum lanatum atlas page.

CalPhotos: Eriophyllum lanatum photos.

USDA Plants: Eriophyllum lanatum information.

108 photographs:
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