Japan Flora: Plant pilose throughout; rhizomes tufted, with ascending, short innovations; culms 5-15 cm. long, slender, pilose; leaf-blades rather short, 3-5 nun. wide, flat, soft, pilose, yellowish or pale green, the basal sheaths pilose, pale, partially dark reddish, scarcely fibrous; spikes 3 or 4, long-peduncled, 5-7 mm. long, the terminal staminate, nar­rowly obovate, rather many-flowered, the others pistillate, densely rather few-flowered, the lower ones usually radical and nodding on elongate peduncles, the bract setaceous, sheathing, pale; pistillate scales oblong, broadly rounded and mucronate at the apex, dark reddish brown; perigynia much longer than the scales, 4-4.5 mm. long, nearly erect, acutely 3-angled, nerveless except for 2 costal nerves, with a thickened, prominent stipe, abruptly short-beaked, the apex hyaline, minutely 2-toothed.    Apr.-May. Shallow soil over rocks in mountains.

Hokkaido (Mount Apoi), Honshu (n. and centr. distr.), Kyushu (n. distr.).