Carex paysonis Clokey
Payson's sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

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Map

E-Flora BC Static Map

Distribution of Carex paysonis
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Species Information

General:
Perennial, tufted herb from short creeping rhizomes; stems 15-60 cm tall, exceeding the leaves.
Leaves:
Sheaths purplish-red towards the bases; blades flat, 2-6 mm wide, the lower ones much reduced.
Flowers:
Spikes 3 to 7, the terminal one with male flowers, the lower spikes 2 to 6, with female flowers, short-stalked, 0.6-2.5 cm long, erect to ascending, rarely nodding; bracts subtending the spikes sheathless, bristlelike to leaflike, about equalling the spikes.
Fruits:
Perigynia broadly egg-shaped, 3.5-4 mm long, 1.8-2 mm wide, pale yellow to purple-black, nerveless, the beaks short, less than 0.5 mm long; female scales lanceolate, nearly as long as and narrower than the perigynia, pointed at the tips, reddish-black, with light brown margins; stigmas 3; achenes 3-angled, 1.5-1.7 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 paysonis

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)
2166 1210 2649
Slope Gradient (%)
29 5 65

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

172 114 303
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 2 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
11
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

AT(3), ESSF(8)

Habitat and Range

Moist meadows and rocky slopes in the subalpine and alpine zones; rare in extreme S BC; E to SW AB and S to WY, UT, NV and E OR.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Carex podocarpa var. paysonis (Clokey) B. Boivin
Carex tolmiei auct. non Boott