Carex cordillerana Saarela & B.A. Ford
Cordilleran sedge (mountain-range sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #25178)


Map

E-Flora BC Static Map

Distribution of Carex cordillerana
Click here to view the full interactive map and legend

Species Information

General:
Perennial, tufted herb from short, blackish, fibrous roots; stems 5-35 cm tall, varying in length, densely clustered, usually shorter than the leaves, narrowly winged and roughened on the angles, enlarged below the spikes.
Leaves:
Sheaths tight, translucent below; blades 2 to 4 per stem, glaucous-green, with the margins rolled-under, minutely pimpled, borne on the lower 1/4 of the stem, 3-5 mm wide, the lower ones reduced.
Flowers:
Spikes 1 to 3, widely separated, from terminal to near basal, 10-15 mm long, with both male and female flowers, the male flowers towards the tips, few, unstalked, inconspicuous, about 2 mm long, the lower flowers female, 2 to 5, unstalked to short-stalked, erect; bracts subtending the female spikes leaflike, sheathless or short-sheathing, from shorter than to 6-10 times as long as the spikes, the upper bracts reduced.
Fruits:
Perigynia broadly egg-shaped, 4-5 mm long, 1.5-2 mm wide, green or greenish, inflated, smooth, nerveless, stalked, the beaks bidentate, conic, slightly fine-toothed, about 0.5-1 mm long; female scales greenish, leaflike, 0.5-2 cm long, 4-5 mm wide when f

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 Carex cordillerana

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)
1007 815 1347
Slope Gradient (%)
6 0 10

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

9 80 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 2 4
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
3
Modal BEC Zone Class
IDF

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

IDF(2), SBS(1)

Habitat and Range

Moist to dry meadows, shaded rocky slopes in the montane or subalpine zones; infrequent in BC east of the Coast-Cascade Mountains and S of 55degreeN; E to MB and S to IA, NE, CO, UT, NV and OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Carex backii var. saximontana