Page authors: David Giblin, Don Knoke
Castilleja rhexiifolia
rhexia-leaved paintbrush

Distribution: In the North Cascades and northeast corner of Washington; British Columbia and Alberta south to Nevada and east to New Mexico.

Habitat: Meadows and open slopes at moderate to high elevations in the mountains.

Flowers: June-August

Growth Duration: Perennial

Conservation Status: Not of concern


Clustered perennial, the stems 1-3 dm. tall, erect or ascending from a woody base, usually unbranched, villous to glabrate.


Leaves linear-lanceolate, sometimes broader, usually entire but the upper sometimes lobed, glabrous to pubescent.


Inflorescence showy, usually crimson but occasionally scarlet or yellow, elongating in fruit; bracts oblong-ovate, rounded, entire with 1-2 pairs of short, lateral lobes, puberulent; calyx 15-25 mm. long, cleft above and below, its primary lobes divided into 2 blunt segments 3-6 mm. long; corolla 20-35 mm. long, the galea much shorter than the tube and 4-5 times as long as the dark green lower lip; stamens 4.



Accepted Name:
Castilleja rhexiifolia Rydb.
Publication: Mem. New York Bot. Gard. 1: 356-357. 1900.

Synonyms & Misapplications:
Castilleja rhexifolia Rydb. [HC]
Additional Resources:

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

WA Flora Checklist: Castilleja rhexiifolia checklist entry.

E-Flora BC: Castilleja rhexiifolia atlas page.

CalPhotos: Castilleja rhexiifolia photos.

USDA Plants: Castilleja rhexiifolia information.

13 photographs:
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