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

Carex concinnoides Mack.
northwestern sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Eileen Brown  Email the photographer   (Photo ID #29503)

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Distribution of Carex concinnoides
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Species Information

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General:
Perennial, loosely tufted herb from slender, scaly rhizomes; stems 15-35 cm tall, from shorter than to longer than the leaves.
Leaves:
Sheaths reddish-tinged, the lower ones bladeless and thread-like; blades 6 to 10 per stem, flat or somewhat channeled, gradually tapering to the tips, 2-5 mm wide.
Flowers:
Spikes 2 or 3, the terminal one linear, 8-22 mm long, with male flowers, the lower 1 or 2 spikes linear to cylindrical, 5-10 mm long, unstalked or short-stalked, with female flowers, erect; bracts subtending the female spikes reduced to awn-tipped sheaths.
Fruits:
Perigynia broadly egg-shaped, 2.5-3 mm long, 1.2-1.5 mm wide, light green, 3-angled, densely hairy, obscurely several-nerved, crowded, erect, short-stalked, the beaks bidentate, about 0.5 mm long or less; female scales narrowly egg-shaped, brown, with wide translucent margins, slightly longer to slightly shorter than the perigynia; stigmas 4, rarely 3; achenes 3-angled, 2-5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry forests, rocky slopes and clearings in the lowland and montane zones; common in SC and SE BC east of the Coast-Cascade Mountains, less frequent northward to 56degreeN, rare on the coast; E to SW AB and S to MT, ID and N CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex concinnoides

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) 170 1316 2375
Slope Gradient (%) 0 23 140
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 195 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
1611
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: AT(2), BWBS(2), ESSF(306), ICH(119), IDF(567), MS(412), PP(44), SBPS(79), SBS(20)

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 not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References