General: Perennial, usually densely tufted herb from slender rhizomes, forming dense mats; stems thread-like, erect to ascending, 3-12 cm tall.
Leaves: Sheaths pale, sometimes purplish below; blades lacking.
Flowers: Spikes solitary, terminal, flattened, linear to egg-shaped, 2.5-7 mm long, 3- to 15-flowered.
Fruits: Scales 1.5-2.2 mm long, egg-shaped to lanceolate, sharp-pointed or blunt, reddish-brown to brownish with translucent margins and greenish or straw-coloured midribs, the lowest one subtending a flower; perianth bristles 3 or 4, equalling or surpassing the achenes, rarely reduced or lacking; stigmas 3; achenes egg-shaped, more or less 3-angled, white to pale grey or pale yellow, longitudinally 8- to 10-ribbed, the ribs connected by strong cross-ridges, 0.7-1.1 mm long including the more or less conic-triangular tubercles.
Marshes, mud flats and shorelines in the lowland, steppe and montane zones; frequent in S BC, infrequent northward; circumpolar, N to AK, YT and NT, E to NF and S to FL, MS, TX, NM, AZ, CA and MX; Greenland, Eurasia.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2022-05-17 7:14:18 AM
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