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

Carex preslii Steud.
Presl's sedge (Elvis' sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #30118)

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Distribution of Carex preslii
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Species Information

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General:
Perennial, tufted herb from fibrous roots; stems 20-70 cm tall, exceeding the leaves.
Leaves:
Sheaths tight; blades flat, 1.5-4 mm wide, borne on the lower 1/3 of the stem.
Flowers:
Spikes 3 to 8, aggregated into a 1- to 2-cm long head, unstalked, with both female and male flowers, the female ones towards the tips; bracts subtending the spikes sheathless, reduced, inconspicuous.
Fruits:
Perigynia egg-shaped, 3-3.5 mm long, 1.3-2 mm wide, deep green to yellowish-brown, flattened on the lower sides, bulging at the back, the margins narrowly winged nearly to the bases, the upper 1/2 fringed with teeth, several-nerved on the back, nerveless below, the beaks obliquely cut, 1-1.5 mm long, narrowly margined and toothed below; female scales triangular, reddish-brown, with narrow translucent margins and green midribs, somewhat shorter and narrower than the perigynia; stigmas 2; achenes lens-shaped, 1.5 mm long, nearly filling the bodies of the perigynia.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist grassy slopes in the subalpine zone; infrequent in S BC; E to AB and S to WY, ID, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex preslii

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) 1390 1782 2118
Slope Gradient (%) 5 27 84
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
86 174 315
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 5
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
13
Modal BEC Zone Class
CMA
All BEC Zones (# of stations/zone) species was recorded in: CMA(10), ESSF(1), 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