Page authors: Don Knoke, David Giblin
Crepis pleurocarpa
naked stemmed hawksbeard
WTU specimens
Other herbaria

Distribution: In eastern portion of Washington; south to California, east to Idaho and Nevada.

Habitat: Stream banks in mixed conifer forests, road cuts, and rocky, serpentine soils.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Nearly glabrous perennials with slender taproots, the stems 1-3, sparingly branched.

Leaves:

Leaves alternate, silvery, with winged petioles, basal and cauline, the blades elliptic or oblanceolate, 7-28 cm. long and 0.5-7 cm. wide, the margins pinnately lobed to dentate.

Flowers:

Heads 7-10 in a flat-topped inflorescence; involucres nearly cylindrical, 8-16 mm. long and 3-5 mm. wide; involucre bracts keeled, with white margins, usually 5, lanceolate, 10-16 mm. long, with 5-6 deltate bractlets 1.5-4 mm. long; flowers 5-10, the corollas yellow, strap-shaped, 15-20 mm. long; pappus yellowish-white, the bristles unequal, 6-12 mm. long.

Fruits:

Achene deep reddish-brown, sub-cylindric, 5-8 mm. long, with 10 prominent ribs.

Accepted Name:
Crepis pleurocarpa A. Gray
Publication: Proc. Amer. Acad. Arts. 17: 221. 1882. 1882.

Synonyms & Misapplications:
Crepis acuminata Nutt. var. pleurocarpa (A. Gray) Jeps.
Additional Resources:

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

WA Flora Checklist: Crepis pleurocarpa checklist entry.

E-Flora BC: Crepis pleurocarpa atlas page.

CalPhotos: Crepis pleurocarpa photos.

USDA Plants: Crepis pleurocarpa information.

4 photographs:
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