E-Flora BC: Electronic Atlas of the Flora of British Columbia

Castilleja cusickii Greenm.
Cusick's paintbrush (Cusick's paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Ian Gardiner  Email the photographer   (Photo ID #24188)

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Distribution of Castilleja cusickii
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Species Information

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Perennial herb from a somewhat woody stem-base; stems several, clustered, ascending to erect, often from decumbent bases, 10-50 cm tall, usually unbranched, sticky long-soft-hairy.
Alternate, appressed-ascending and overlapping, often obscuring the stem, sticky long-soft-hairy, the lower leaves linear-lanceolate and entire, the upper ones broader, 2-6 cm long, with 1 to 3 pairs of linear spreading lobes, mostly from above the middle.
Inflorescence a prominently bracted terminal spike, narrow and ultimately elongate, the bracts pale yellow, oblong, wider than the leaves and concealing the flowers, blunt to rounded at the top, glandular-hairy, with 1 or 2 pairs of short narrow lobes; corollas 20-28 mm long, 2-lipped, the upper lip beak-like, densely glandular-short-hairy, 4-7 mm long, included in the calyx or slightly exserted, much shorter than the tube, from slightly longer than to 3 times as long as the prominent, 3-lobed, lower lip; calyces often purplish, hairy, 20-30 mm long, deeply 2-lobed, these primary lobes broad and usually rounded at the top, entire or notched; stamens 4.
Capsules, 10-13 mm long; seeds many, the seed-coats loose, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic meadows in the montane zone; rare in SC and SE BC; E to SW AB and S to W WY, ID NV and NE OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Castilleja cusickii

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 2295 2303 2312
Slope Gradient (%) 8 25 43
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
168 174 180
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 2
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(2)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Castilleja lutea A. Heller

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References