Perennial, tufted herb from inconspicuous rhizomes and fibrous roots; stems 10-40 cm tall.
Sheaths purplish below, somewhat flaring upwards; blades lacking.
Spikes solitary, terminal, flattened, linear to egg-shaped, subtended by a single basal bract almost or quite encircling the top of the stem, 0.5-1.4 cm long, several-flowered.
Scales 3.5-5.5 mm long, purplish-black to purplish-brown with translucent margins and lighter midribs; perianth bristles 4 to 6; stigmas 2; achenes lens-shaped, 1.3-1.8 mm long, pitted, the pits in longitudinal rows, the tubercles egg-shaped, slightly smaller than the achenes and about as wide.
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
||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
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Scirpus kamtschaticus C.A. Mey.