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

Castilleja rhexiifolia Rydb.
alpine paintbrush (rhexia-leaved paintbrush; splitleaf Indian paintbrush)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #21002)

E-Flora BC Static Map
Distribution of Castilleja rhexiifolia
Click here to view the full interactive map and legend
Details about map content are available here
New! Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from a stout, somewhat woody stem-base; stems several, clustered, ascending to erect, 10-40 cm tall, usually unbranched, nearly smooth to soft-hairy or sometimes sticky glandular-hairy, especially in the inflorescence.
Leaves:
Alternate, linear to lanceolate, 3-7 cm long, entire, or the upper sometimes with a few short lobes, nearly smooth to finely soft-hairy or glandular-hairy, the veins prominent.
Flowers:
Inflorescence a prominently bracted terminal spike, at first compact, later elongating in fruit, the bracts usually crimson to purplish, occasionally scarlet or yellowish, egg-shaped to oblong, with 1 to 2 pairs of short lobes near the top, or entire and rounded, soft-hairy and sometimes sticky-hairy; corollas greenish, 20-35 mm long, 2-lipped, the upper lip beak-like, short-hairy, 8-12 mm long, much shorter than the tube and 4-5 times the length of the thickened, 3-toothed lower lip; calyces hairy, 15-25 mm long, deeply 2-lobed, these primary lobes again divided into 2 lanceolate, usually blunt, 3- to 6-mm long segments; stamens 4.
Fruits:
Capsules, about 12 mm long; seeds many, the seed-coats loose, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist meadows and rocky slopes in the subalpine and alpine zones; infrequent in S BC north to 53degreeN; E to SW AB and S to NM, UT, NV and OR.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Castilleja rhexiifolia

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) 6 1926 2615
Slope Gradient (%) 0 30 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 171 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 4 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
184
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(30), BAFA(3), BWBS(2), CMA(2), CWH(1), ESSF(124), ICH(2), IDF(2), IMA(5), MS(9)

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 alpine tundra & boreal.

Synonyms and Alternate Names

Castilleja lauta A. Nelson
Castilleja leonardii Rydb.
Castilleja oregonensis Gandog.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References