Castilleja thompsonii Pennell
Thompson's paintbrush (Thompson's paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)
Introduction to Vascular Plants
Thompson's paintbrush (Thompson's paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a somewhat woody stem-base; stems several, clustered, ascending to erect, 10-40 cm tall, frequently branched above, bristly-hairy or long-soft-hairy, sometimes purplish.
Leaves:
Alternate, bristly-hairy or long-soft-hairy, sometimes also glandular, the lower leaves linear and entire, the upper ones with 1 to 2 pairs of linear spreading lobes.
Flowers:
Inflorescence a prominently bracted terminal spike, the bracts yellowish, wider than the leaves, deeply 3- to 5-lobed, minutely hairy and also fringed with long hairs; corollas 15-30 mm long, 2-lipped, the upper lip beak-like, included in the calyx or slightly exserted, much shorter than the tube and about 1.5 times the length of the prominent, 3-lobed lower lip; calyces often purplish, hairy, 12-25 mm long, deeply 2-lobed, these primary lobes again divided into 2 triangular or linear segments 1-3 mm long; stamens 4.
Fruits:
Capsules; seeds many, the seed-coats loose, net-veined.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Castilleja thompsonii
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
790 | 355 | 2040 |
| Slope
Gradient (%) |
27 | 0 | 80 |
|
Aspect (degrees) |
150 | 2 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 0 | 5 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
152 | ||
| Modal
BEC Zone Class |
BG | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(57), ESSF(4), IDF(44), MS(5), PP(39) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry grasslands, sagebrush shrublands and rocky slopes in the steppe and montane zones; locally frequent in extreme SC BC; S to OR.Status Information
Synonyms
Synonyms and Alternate Names:
Castilleja villicaulis Pennell & Ownbey