Japan Flora: Rhi­zomes short; culms 10-20 cm. long, slender, glabrous, nodding at tip; leaf-blades short, flat, 1-1.5 mm. wide, the sheaths partially dark red; spikes 3 or 4, ped uncled, nodding, small, the terminal staminate, linear-lanceolate, 5-10 mm. long, the lateral pistillate, narrowly oblong, 8-15 mm. long, loosely few­flowered, the upper 1 or 2 longer than the staminate; pistillate scales obovate, obtuse to acute, light castaneous; perigynia longer than the scales, 3-3.5 mm. long, suberect, ovoid, brownish green, membranous, glabrous, with 2 costal nerves, somewhat lustrous, the beak ratlier long, glabrous or slightly scabrous, with hyaline entire tip; stigmas 3, short. July-Aug. Rather dry alpine slopes.

Hokkaido (Mount Yubari- dake), Honshu (Mount Shirouma and Mount Hayachine); very rare. n. Korea, Sakhalin, Kuriles, and the cooler zones and alpine regions of the N. Hemisphere.