Carex exsiccata L.H. Bailey
inflated sedge (western inflated sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Adolf Ceska     (Photo ID #5824)


Map

E-Flora BC Static Map

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

Species Information

General:
Perennial, tufted herb from short-creeping rhizomes; stems 30-100 cm tall, triangular, rough below the inflorescence, longer than the leaves.
Leaves:
Sheaths tight, ligules longer than wide; blades 4 to 8 per stem, flat, cross-walled, the margins rolled-under, borne on the lower 1/2 of the stem, 2-6 mm wide, the lower ones reduced, persistent.
Flowers:
Spikes 4 to 7, the terminal 2 or 3 linear, 1.5-5 cm long, long-stalked, with male flowers, the lower spikes 2 to 4, cylindrical, 2.5-7.5 cm long, with female flowers, or some with male flowers above the female flowers, short-stalked, erect to spreading, well spaced along the upper 1/2 of the stem; bracts subtending the lowest spike leaflike, sheathless, the lowest ones longer than the inflorescence.
Fruits:
Perigynia lanceolate, 7-10 mm long, 1.5-3 mm wide, yellowish-green to reddish- brown, somewhat inflated, smooth, shiny, strongly nerved, gradually tapered from the broad bases to long beaks, the beaks 1.5-3 mm long, bidentate, with straight teeth; female scales lanceolate to egg-shaped, pointed, narrower and shorter than the perigynia, yellowish- to reddish-brown, with 3-nerved, lighter centres and narrow, translucent margins; stigmas 3; achenes 3-angled, 1.7-2.4 mm long.
Notes:
Closely related to C. vesicaria.

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 exsiccata

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)
1058 100 1890
Slope Gradient (%)
0 0 10

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

0 50 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 3 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
135
Modal BEC Zone Class
CWH

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

BAFA(1), BG(1), BWBS(5), CDF(6), CWH(44), ESSF(16), ICH(20), IDF(4), MS(26), SBPS(9), SBS(3)

Habitat and Range

Fens, swamps, marshes, shorelines and wet meadows in the lowland and montane zones; common in SW BC, less frequent northward; N to AK and NT, disjunct E to SK and S to CO, UT, NV and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Carex vesicaria var. major Boott