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

Carex incurviformis var. incurviformis Mack.
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5528)

E-Flora BC Static Map
Distribution of Carex incurviformis var. incurviformis
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Species Information

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Perennial, loosely tufted herb from long-creeping, scaly rhizomes; stems 2-10 cm tall, arising singly, shorter than the leaves.
Sheaths tight, translucent, blunt at the mouths; blades 4 to 7 per stem, crowded toward the base, flat at the base, in-rolled above, 0.7-1.5 mm wide.
Spikes 3 to 5, densely aggregated into a nearly globe-shaped or broadly egg-shaped, 6- to 9-mm long head, scarcely distinguishable, 0.5-0.8 mm long, unstalked, with both female and male flowers, the male flowers towards the tips; bractless.
Perigynia few, egg-shaped, 3.5-4 mm long, 1.2-1.5 mm wide, plano-convex, appressed, spreading at maturity, brown, smooth, shiny, faintly nerved, short-stalked, the beaks short, about 1 mm long, bidentate; female scales broadly egg-shaped, shorter than the perigynia, pointed, the upper ones round-tipped, brown, the centres lighter, the margins translucent; stigmas 2; achenes lens-shaped, yellowish-brown, smooth, 1.2-1.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry meadows and rocky slopes in the alpine zone; rare in N, SC and SE BC; N to AK, YT and NT, E to AB and S to MT and ID.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Carex incurviformis var. incurviformis

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




Elevation (metres) 1835 1835 1835
Slope Gradient (%) 7 7 7
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
80 79 80
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1)


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