General: Perennial, densely tufted herb from fibrous roots; stems 10-40 cm tall, longer than the leaves.
Leaves: Sheaths pale below; blades 4 to 8 per stem, channeled, borne on the lower 1/2 of the stem, 1-3 mm wide, the lower ones reduced.
Flowers: Spikes 3 to 7, the terminal unstalked or short-stalked, linear, 7-21 mm long, with male flowers (rarely some female flowers), the lower spikes 2 to 6, erect, cylindrical, 5-11 mm long, many-flowered, with female flowers (sometimes the upper with male flowers at the tips), unstalked or nearly so; bracts subtending the female spikes conspicuous, leaflike, 4-9 cm long, much exceeding the inflorescence, the sheaths 2-20 mm long, the upper bracts shorter.
Fruits: Perigynia egg-shaped to elliptical, mostly spreading, 2-3.2 mm long, 1.2-1.3 mm wide, yellowish-green to green, smooth, several-nerved, the beaks shortly bidentate, about 1/3 as long as the bodies of the perigynia; female scales egg-shaped, pointed, short-awned at the tips, shorter than the perigynia, reddish, with greenish midribs and narrow translucent margins; stigmas 3; achenes 3-angled, smooth, 1.4-1.9 mm long.
Swamps, bogs, lakeshores and wet meadows in the lowland, steppe and montane zones; common in S BC, less frequent northward; amphiberingian, N to AK, YT and NT, E to NF and S to ME, MA, PA, OH, IN, IL, MN, SD, NM, UT, NV and CA; E Asia.
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:
2020-12-05 1:26:02 AM
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