Page authors: David Giblin, Don Knoke
Crepis setosa
bristly hawksbeard, rough hawksbeard
WTU specimens
Other herbaria

Distribution: West of the Cascades in Washington, south to California

Habitat: Disturbed areas at low elevation

Flowers: June-August

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Annuals with shallow taproots, the stems single, 8-80 cm. tall, simple or sparingly branched, with coarse, yellowish bristles.

Leaves:

Leaves alternate, the basal petiolate, the blades oblanceolate to lyrate, 5-30 cm. long and 1-8 cm. wide, the margins dentate to pinnately lobed; cauline leaves lanceolate, the bases saggitate, the margins dentate or laciniate.

Flowers:

Inflorescence a panicle with 10-20 heads; involucral bracts 12-16, 6-7 mm. long, strongly keeled and thickened, covered with coarse bristles, the margins green to yellowish, the tips acuminate, with 10-14 linear bractlets 2-4 mm. long; flowers 10-20, the corollas yellow, strap-shaped, 8-10 mm. long; pappus white, fine and soft.

Fruits:

Achene reddish-brown, spindle-shaped, 3-5 mm. long, beaked.

Accepted Name:
Crepis setosa Haller f.
Publication: Arch. Bot. (Leipzig). 1(2): 1. 1797. 1797.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Crepis setosa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Crepis setosa checklist entry.

E-Flora BC: Crepis setosa atlas page.

CalPhotos: Crepis setosa photos.

USDA Plants: Crepis setosa information.

4 photographs:
Group by