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

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #20650)


Map

E-Flora BC Static Map

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

Species Information

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.

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 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

Avg

Min

Max

Elevation (metres)
1210 16 2440
Slope Gradient (%)
21 0 173

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

244 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 7
Modal Nutrient Regime
Class
C
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia