Castilleja tenuis (A. Heller) T.I. Chuang & Heckard
hairy paintbrush (hairy paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

Photograph

© Curtis Bjork     (Photo ID #15888)


Map

E-Flora BC Static Map

Distribution of Castilleja tenuis
Click here to view the full interactive map and legend

Species Information

General:
Annual herb; stems erect, 10-40 cm tall, slender, simple or with a few erect branches; coarsely spreading-hairy, often glandular above.
Leaves:
Alternate, unstalked, 1-4 cm long, coarsely spreading-hairy, the lower leaves linear and entire, the upper ones lanceolate, with 3 to 5 long slender lobes.
Flowers:
Inflorescence a dense, compact, prominently bracted, terminal spike 5-20 cm long, the bracts egg-shaped, 10-25 mm long, differing gradually from the leaves, becoming shorter and more deeply cleft into 3 to 7 lanceolate, long-pointy-tipped lobes, green throughout or sometimes tinged with purple; corollas white or yellow, minutely hairy, 12-20 mm long, exserted, tubular, 2-lipped, the upper lip beak-like, straight, 4-5 mm long, the lower lip 3-4 mm long, inflated, 3-pouched, tipped with 3 tiny teeth 0.2-0.8 mm long; calyces tubular, 8-12 mm long, hairy, 2-cleft, each segment 2-toothed, the teeth slender, long-pointy-tipped; stamens 4.
Fruits:
Capsules, oblong, 5-9 mm long; seeds several, about 1 mm long, with loose netted coats.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Castilleja tenuis

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)
945 916 1021
Slope Gradient (%)
0 0 5

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

225 225 225
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
6
Modal BEC Zone Class
IDF

All BEC Zones (# of stations/zone) species was recorded in

IDF(6)

Habitat and Range

Moist meadows and vernal pools in the lowland, steppe and montane zones; rare in SC BC; S to ID, NV and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Orthocarpus hispidus Benth.