Page authors: Don Knoke, David Giblin
Hymenopappus filifolius
Columbia cut-leaf, fineleaf hymenopappus
WTU specimens
Other herbaria

Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Great Plains of Canada and the U.S.

Habitat: Dry, often sandy places in the foothills and plains.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial from a taproot and stout, branching base, the several stems 1-9 dm. tall, somewhat white-woolly toward the base.

Leaves:

Leaves tufted at the base, once or twice pinnatifid, with linear segments; cauline leaves similar but few and reduced.

Flowers:

Heads several in an open inflorescence; involucre 7-10 mm. high, the bracts broad, papery, pale yellowish above and greenish below; flowers all tubular and perfect, yellow, the lobes shorter than the tube; pappus of several translucent scales not over 1 mm. long.

Fruits:

Achenes narrow and elongate, 4- angled.

Accepted Name:
Hymenopappus filifolius Hook.
Publication: Fl. Bor.-Amer. 1: 317. 1833.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. filifolius – Columbia cut-leaf, fineleaf hymenopappus
Additional Resources:

PNW Herbaria: Specimen records of Hymenopappus filifolius in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Hymenopappus filifolius checklist entry.

E-Flora BC: Hymenopappus filifolius atlas page.

CalPhotos: Hymenopappus filifolius photos.

USDA Plants: Hymenopappus filifolius information.

25 photographs:
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