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

Carex pedunculata Muhl. ex Willd.
peduncled sedge (longstalk sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants
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Distribution of Carex pedunculata
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Species Information

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General:
Perennial, tufted herb from short, stout rhizomes; stems 20-30 cm tall, from shorter than to slightly longer than the leaves.
Leaves:
Sheaths pale green or bluish-green, the lower ones reduced, numerous, flat or channeled, the margins rolled-under, gradually tapering to the tips, 2-3 mm wide.
Flowers:
Spikes 3 to 5, the terminal one lanceolate, 6-12 mm long, with male flowers and with a few female flowers at the bases, the lower spikes 2 to 4, shortly cylindrical, 6-12 mm long, short-stalked, with female flowers, erect (the lowermost 1 or 2 spikes sometimes rising from the bases on long stalks); bracts subtending the female spikes awnlike, 1 cm long or less.
Fruits:
Perigynia broadly club-shaped, 3.5-4.5 mm long, 1.3-1.6 mm wide, pale greenish or straw-coloured, 3-angled, obscurely hairy, 2-keeled, nerveless, crowded, erect, long-stalked, beakless; female scales broadly egg-shaped, broadest at the tops, with short awns, purplish, with paler midribs, slightly shorter than the perigynia; stigmas 3; achenes 3-angled, 1.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic sites in the montane zone; rare in SE BC; E to NB and NF and S to ME, MA, SC, AL, IL, IA and SD.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex pedunculata

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) 1100 1297 1495
Slope Gradient (%) 0 115 230
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
230 229 230
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
E
Number of field plots
 species was recorded in:
2
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1), SBS(1)

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

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General References