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

Carex sprengelii Dewey ex Spreng.
Sprengel's sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #16592)

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

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General:
Perennial, tufted herb from stout, elongate, matted, shredded rhizomes; stems 30-90 cm tall, erect or decumbent, as long as or longer than the leaves.
Leaves:
Sheaths long, concave to blunt; ligules short; blades 5 to 8 per stem, flat, scattered on the stem, 2.5-4 mm wide, the lower ones reduced.
Flowers:
Spikes 3 to 7, the terminal 1 to 3 linear, 1-2 cm long, with male flowers, the lower 2 to 4 spikes cylindrical, 1-3.5 cm long, with female flowers, the spikes remote and long-stalked, spreading to nodding; bracts subtending the female spikes short-sheathing, leaflike, 1.5-2.5 cm long, shorter to longer than the subtended spikes.
Fruits:
Perigynia nearly globe-shaped, 5-6 mm long, 1.5-2 mm wide, greenish to straw-coloured, smooth, shiny, 2-ribbed near the margins and with a few obscured nerves, spreading, short-stalked, the beaks deeply bidentate, slender, as long as or longer than the body; female scales lanceolate to narrowly egg-shaped, narrower than the perigynia, the centres green and 3-nerved, the tips pointed to more usually awned; stigmas 3; achenes 3-angled, 1.8-2.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet gravelly or sandy slopes and alluvial woodlands and open sites in the montane zone; rare in EC BC; E to PQ and NB and S to ME, MA, PA, OH, IN, IL, MO, NE and CO.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex sprengelii

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) 615 615 615
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
270 270 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 5
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
ICH
All BEC Zones (# of stations/zone) species was recorded in: ICH(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

Additional Photo Sources

General References