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

Carex concinna R. Br.
low northern sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20650)

E-Flora BC Static Map
Distribution of Carex concinna
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Species Information

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General:
Perennial, loosely tufted herb from slender, scaly rhizomes; stems 5-15 (20) cm tall, usually much longer than the leaves.
Leaves:
Sheaths light brown, the lower ones bladeless and thread-like; blades 5 to 9 per stem, flat, the margins rolled-under, gradually tapering to the tips, 1-3 mm wide.
Flowers:
Spikes 3 or 4, the terminal one lanceolate, 3-7 mm long, with male flowers, the lower 2 or 3 spikes shortly cylindrical, 4-8 mm long, unstalked or short-stalked, with female flowers, erect; bracts subtending the female spikes reduced to bladeless sheaths, 1 cm long or less.
Fruits:
Perigynia broadly egg-shaped, 3-3.5 mm long, 1-1.3 mm wide, pale greenish or straw-coloured, 3-angled, stiff-hairy, 2-ribbed and several-nerved, 5 to 12, crowded, erect, short-stalked, the beaks 0.3-0.7 mm long, bidentate; female scales broadly egg-shaped, brown, with translucent margins, much shorter than the perigynia; stigmas 3; achenes 3-angled, 1.4-2 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry forests in the montane and subalpine zones; common throughout BC east of the Coast-Cascade Mountains; N to AK, YT and NT, E to NF and S to MI, WI, SD, CO and OR.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex concinna

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) 16 1210 2440
Slope Gradient (%) 0 21 173
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 244 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
502
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: BAFA(3), BG(1), BWBS(64), ESSF(85), ICH(27), IDF(120), MS(67), PP(3), SBPS(34), SBS(21), SWB(19)

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 subalpine boreal & cool mesothermal.

Taxonomic and Nomenclatural Links

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General References