Page authors: Don Knoke, David Giblin
Castilleja attenuata
attenuate paintbrush, valley-tassels

Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California and Arizona.

Habitat: Drier areas at low elevations.

Flowers: April-June

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees, hummingbirds


Slender annual 1-3.5 dm. tall, the stem usually simple, the herbage with short, stiff spreading hairs throughout.


Leaves alternate, all cauline, narrowly lance-linear, long-tapered to the base, 2-6 cm. long, entire or the upper 3-cleft.


Inflorescence elongate and narrow, the bracts becoming shorter and more cleft than the leaves, white or yellowish; calyx equally lobed; corolla 1-2.5 cm. long, linear, whitish to pinkish, the lower lip more yellowish with some purple spots; teeth of the lower lip erect, slender, nearly equaling the galea



Accepted Name:
Castilleja attenuata (A. Gray) T.I. Chuang & Heckard
Publication: Systematic Botany 16(4): 656. 1991.

Synonyms & Misapplications:
Orthocarpus attenuatus A. Gray [HC, VPPNW4]
Additional Resources:

PNW Herbaria: Specimen records of Castilleja attenuata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Castilleja attenuata checklist entry.

OregonFlora: Castilleja attenuata information.

E-Flora BC: Castilleja attenuata atlas page.

CalPhotos: Castilleja attenuata photos.

USDA Plants: Castilleja attenuata information.

40 photographs:
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