Fl. Samojed. Cisural. 58. 1845.
Rhizomes short. Culms cespitose, 15–30 (–35) cm. Leaves: sheath throat acutely angled, pilose; basal leaf-blade 5–10 cm × 3–8 mm, apex short acuminate, mostly glabrous; cauline leaves (1–) 2–4, 3–5 cm × 2–4 mm. Inflorescences anthelate, few flowered; main branches generally 2–4, spreading less than 90°, lax, usually arching; proximal inflorescence bract 1 cm or less; bracts and bracteoles brown; margins with long curly cilia. Flowers solitary on short pedicels; tepals dark purplish brown (margins finely lacerate toward apex), 2–2.5 mm, margins finely lacerate toward apex, apex acute, not reflexed; anthers ± equaling filament length; stigmas 2 times style length. Capsules dark-brown, less than 2.5 mm, slightly longer than tepals; beak absent. Seeds dark reddish-brown, cylindric, 1.2–1.6 mm; caruncle essentially absent. 2n = 24.
Phenology: Flowering and fruiting late summer.
Habitat: Wet mossy arctic and alpine tundra, lake shores, alluvial rivers, shores of alpine creeks, gneissic seashores
Elevation: 40–600 m
Greenland, B.C., Man., N.W.T., Nunavut, Que., Yukon, Alaska, Eurasia
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