Japan Flora: Prominently pilose throughout; rhizomes short creeping; culms 30-50 cm. long; leaf-blades 3-5 mm. wide, rather soft, cinereous-green, with whitish hairs, the basal sheaths stramineous, dull; spikes 2 or 3, distant, the terminal staminate, linear-clavate, 2-3 cm. long, rusty-brown, on a long-exserted peduncle, the others pistillate, oblong to oblong-cylindric, 2-3 cm. long, about 10 mm. thick, the bracts short, leaflike, long-sheathing, the peduncles nearly included; pistillate scales oblong, cuspidate, whitish; perigynia longer than the scales, 5-6 mm. long, obliquely spreading, yellowish green, pilose, nerved, the beak long, erect, acutely 2-tootiled; achene constricted on the angles near the middle, obliquely beaked; stigmas 3.
Honshu (Bingo and Bitchu Prov.); rare. Korea and China.