Carex crawei Dewey
Crawe's sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants


© Bryan Kelly-McArthur     (Photo ID #70769)


E-Flora BC Static Map

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

Species Information

Perennial herb from slender, long-creeping rhizomes; stems solitary or few, 10-30 (40) cm tall, exceeding the leaves.
Sheaths tight, translucent towards the stems; blades 6 to 12 per stem, flat or nearly so, gradually tapering to the tips, 1.5-3 mm wide.
Spikes 3 to 5, the terminal one lanceolate, 1-3 cm long, with male flowers, the lower 2 to 4 spikes cylindrical, 1-3 cm long, remote, long-stalked below, short-stalked above, with female flowers, erect; bracts subtending the female spikes leaflike, 2 to 3 times the length of the spikes, sheathing, the sheaths 5-15 mm long.
Perigynia elliptical or broadly egg-shaped, 2.5-3.5 mm long, 1.3-2 mm wide, reddish-brown, the margins translucent, the centres greenish, plano-convex, smooth, obscurely 15- to 35-nerved, crowded, erect to ascending, unstalked, the beaks slightly bidentate, 0.2-0.4 mm long; female scales broadly egg-shaped, yellowish-green to reddish-brown with translucent margins and green centres, narrower and 1/2 the length of the perigynia; stigmas 3; achenes 3-angled, 1.7-2 mm long.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Carex crawei

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




Elevation (metres)
1640 1640 1640
Slope Gradient (%)
7 7 7

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

315 315 315
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

Habitat and Range

Moist to wet calcareous meadows and marl fens in the montane zone; rare in SE BC; E to PQ and NB and S to ME, VA, GA, AR, OK, CO, UT and WA.

SourceThe Illustrated Flora of British Columbia