Perennial, loosely tufted herb from branching rhizomes; stems 10-50 cm tall, equalling or shorter than the leaves.
Sheaths tight, blunt at the mouths, with short ligules; blades usually 2 per stem, flat, borne on the lower 1/3 of the stem, 1.5-3 mm wide, the margins rough.
Spikes solitary, with both female and male flowers, the male part linear with a few male flowers towards the tips, short-stalked above the 1 to 3, more or less remote, spreading female flowers, 15-25 mm long, 7-12 mm wide; bractless.
Perigynia egg-shaped, tapering to spongy bases, 5-7 mm long, 2.5-3.5 mm wide, greenish or brownish, smooth, 2-ribbed, abruptly short-stalked, the beaks short, scarcely bidentate; female scales lanceolate, longer and slightly wider than the perigynia, sharp-pointed or short-awned, greenish to brownish, the centres lighter, the margins broad, translucent; stigmas 3; achenes 3-angled, 3.5-4.5 mm long.
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.
Illustration Source: The Illustrated Flora of British Columbia
Present from Spring to Summer
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|AT(18), ESSF(17), MS(7), PP(2)|
Source: Klinkenberg 2013