Page authors: Don Knoke, David Giblin
Wyethia angustifolia
narrowleaf mule's ears, narrowleaf wyethia
WTU specimens
Other herbaria
WTU images

Distribution: Occurring west of the Cascades crest in southwestern Washington, and east in the Columbia River Gorge; Washington to California.

Habitat: Meadows and moist, open hillsides at low elevations.

Flowers: May-July

Origin: Native

Conservation Status: Sensitive in Washington (WANHP)

Description:
General:

Tap-rooted, leafy-stemmed perennial, the stems stout but lax, 2-9 dm. tall, the herbage covered with short, stiff, blunt hairs.

Leaves:

Leaves mostly entire, the basal ones enlarged, with narrow, elongate blades, 1.5-5 dm. long and 2.5-10 cm. wide, tapering at both ends; cauline leaves smaller and variable.

Flowers:

Heads usually solitary; involucral bracts lance-linear, in several series, herbaceous, with conspicuous hairs on the margins; rays 13-21, chrome-yellow, pistillate and fertile, 1.5-3.5 cm. long; disk flowers light yellow, perfect and fertile; receptacle broadly convex, chaffy throughout, the bracts clasping the achenes; pappus of petal-like appendages.

Fruits:

Achenes compressed-quadrangular

Accepted Name:
Wyethia angustifolia (DC.) Nutt.
Publication: Trans. Amer. Philos. Soc., n. s. 7: 352. 1840.

Synonyms & Misapplications:
Alarconia angustifolia DC.
Wyethia angustifolia (DC.) Nutt. var. angustifolia
Wyethia angustifolia (DC.) Nutt. var. foliosa (Congdon) H.M. Hall
Additional Resources:

PNW Herbaria: Specimen records of Wyethia angustifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Wyethia angustifolia checklist entry.

E-Flora BC: Wyethia angustifolia atlas page.

CalPhotos: Wyethia angustifolia photos.

USDA Plants: Wyethia angustifolia information.

29 photographs:
Group by