Japan Flora: Culms slender, densely tufted, nodding above, 20-30 cm. long; leaf-blades 1-2.5 mm. wide, folded, the basal sheaths dark brown, sparsely fibrous; spikes 3 or 4, densely flowered, contiguous except the rather long-ped uncled lowest one，the terminal gynecandrous and obovate or staminate and linear, 】니.5 cm. long, the others pistillate, oblong-clavate, 1-2 cm. long, dark brown, subsessile, the lower bracts bristleform, sheathing at base; pistillate scales oblong-ovate, dark brown, acute; perigynia nearly twice as long as the scales, 5-6 mm. long, broadly lanceolate, membranous, compressed-trigonous, frequently brown-flecked, very faintly nerved, sparsely setulose- scabrous, with appressed to ascending short hairs, gradually tapering at both ends, short-beaked, with a hyaline, shallowly 2-toothed tip; stigmas 3. July-Aug. Dry rocky places in alpine regions.

Honshu (centr. distr.); rare. n. Korea.