Page author: Don Knoke
Pyrrocoma hirta
hairy goldenweed, sticky goldenweed
WTU specimens
Other herbaria

Distribution: Mountains of central Washington, and the mountains of northeast Oregon and adjacent Washington and Idaho, south to northeast California.

Habitat: Meadows and open or sparsely wooded slopes in the foothills to moderate elevations in the mountains.

Flowers: July - August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Herbaceous perennial from a taproot, the stems several 1-4 dm. high, decumbent at the base; herbage white-woolly with flattened hairs, becoming glandular in the inflorescence.

Leaves:

Leaves sharply and irregularly toothed, the basal tufted and petiolate, 3-20 cm. long and 6-40 mm. wide; cauline leaves reduced upward and becoming sessile.

Flowers:

Heads usually several, hemispheric, the inflorescence becoming elongate; involucre 9-15 mm. high, the bracts little imbricate, green-tipped; disk flowers numerous, yellow; ray flowers 13-30, 6-12 mm. long, yellow; pappus of whitish, unequal, capillary bristles

Fruits:

Achenes elongate.

Accepted Name:
Pyrrocoma hirta (A. Gray) Greene
Publication: Erythea. 2: 69. 1894.

Synonyms & Misapplications:
Haplopappus hirtus A. Gray [HC]
Haplopappus hirtus A. Gray var. hirtus [HC]
Infraspecies:
var. sonchifolia – hairy goldenweed, sticky goldenweed
Additional Resources:

PNW Herbaria: Specimen records of Pyrrocoma hirta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Pyrrocoma hirta checklist entry.

E-Flora BC: Pyrrocoma hirta atlas page.

CalPhotos: Pyrrocoma hirta photos.

USDA Plants: Pyrrocoma hirta information.

19 photographs:
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