Difference between revisions of "Carex glacialis"
Bull. Torrey Bot. Club 37: 244. 1910.
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Revision as of 21:05, 16 December 2019
Plants densely cespitose, often forming tussocks, short-rhizomatous. Culms to 20(–30) cm. Leaf blades 2–(–10) cm × 0.5–1.5 mm, dead leaf remains often circinnate. Spikes: staminate 2–8 × 0.7–2 mm; pistillate 2–9 × 1–3 mm. Pistillate scales reddish black with hyaline margins, subcircular, 1.4–2.5 × 1.2–2 mm, apex obtuse to subacute, shorter than to as long as perigynium body. Staminate scales reddish black or dark brown, midvein paler, obovate, 2–3 × 0.8–1.4 mm, apex obtuse to acute. Perigynia reddish black to dark brown distally, 1.5–2.5 × 0.9–1.2 mm; beak 0.3–0.5 mm. Achenes obovoid, 1.75 × 0.8 mm. 2n = 34.
Phenology: Fruiting summer.
Habitat: Dry rocks, gravel, sand, talus slopes, eskers, on limestone
Elevation: 0–1000 m
Distribution
Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, n Eurasia.
Discussion
Selected References
None.