Japan Flora: Culms to 25 cm. long, tufted, gla­brous; leaf-blades 5-6 mm. wide, rather thick, flat, deep green, the basal sheaths castaneous, scarcely fibrous; spikes 3-5, the terminal staminate, broad-linear, 2-3 cm. long, the others pistillate, distant, 1-2 cm. long, on a slightly exserted peduncle, the bracts bladeless or with a setaceous blade, long-sheathing; pistillate scales obovate, brown, acute; perigynia slightly longer than the scales, obovoid, many-nerved, glabrous or sparsely short-pubescent, abruptly beaked, the apex 2-toothed; stigmas 3.

Kyushu (Yakushima).