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

Castilleja lutescens (Greenm.) Rydb.
yellowish paintbrush (stiff yellow Indian paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #9930)

E-Flora BC Static Map
Distribution of Castilleja lutescens
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Species Information

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General:
Perennial herb from a somewhat woody stem-base; stems several, clustered, ascending to erect, 30-60 cm tall, often branched above, minutely to coarsely hairy, sometimes purplish.
Leaves:
Alternate, linear to narrowly lanceolate, mostly entire, but the upper ones sometimes with a pair of sharp-pointed, linear lobes, rough-short-hairy.
Flowers:
Inflorescence a prominently bracted terminal spike, the bracts yellow, oblong, rounded, with 3 to 5 narrow lobes or rarely entire, densely short-hairy; corollas greenish, 15-30 mm long, 2-lipped, the upper lip beak-like, minutely hairy, usually exserted 1-10 mm beyond the calyx, less than 1/2 the length of the tube and 2-5 times the length of the 3-lobed lower lip; calyces hairy, 15-25 mm long, deeply 2-lobed, these primary lobes again divided into 2 triangular or linear, sharp-pointed segments 1-7 mm long; stamens 4.
Fruits:
Capsules; seeds many, the seed-coats loose, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grassy or rocky slopes and open forests in the steppe and montane zones; infrequent in SE BC; E to SW AB and S to MT, ID and NE OR.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Castilleja lutescens

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

Minimum

Average

Maximum

Elevation (metres) 347 940 2380
Slope Gradient (%) 0 24 88
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
22 166 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
63
Modal BEC Zone Class
BG
All BEC Zones (# of stations/zone) species was recorded in: BG(31), ESSF(10), IDF(11), IMA(1), MS(1), PP(4)

Climate

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References