Northeastern Asian Flora
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Carex quadriflora (Kük.) Ohwi  
Family: Cyperaceae
[Carex digitata Kom., moreCarex digitata subsp. quadriflora K?., Carex digitata var. pallida Meinsh.]
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  • Japan Flora
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Japan Flora: Rhizomes short-creeping to ascending, form­ing loose tufts; culms 10-20 cm. long, slender, soft, with a reddish brown bladeless sheath at base; leaf-blades flat, soft, glabrous, deep green, 2-4 mm. wide, the sheaths dark red; spikes 3 or 4, the terminal staminate, short-linear, 7-10 mm. long, few-flowered, the upper lateral ones longer, the others pistillate, approximate, 1-2 cm. long, very loosely few-flowered on a flexuous axis, the peduncles nodding above, the bracts bladeless, the sheath elongate, tubular, reddish brown; pistil­late scales obovate, truncate, reddish, clasping at base; peri­gynia much longer than the scales, 4.5-5 mm. long, acutely 3-angled, ellipsoidal, sparsely short-pubescent, nerveless except for 2 costal nerves, with a prominent, thickened stipe shorter than the body, abruptly short-beaked, with a ferrugineous, en­tire, membranous mouth; stigmas 3, slender, short. 

Hok­kaido (Mount Kitami-fuji); rare. Korea, Manchuria, and Ussuri.

Carex quadriflora
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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