Japan Flora: Culms tufted, 30-40 cm. long; leaf-blades stiff, flat, 2-4 mm. wide, the basal sheaths sparingly fibrous; spikes 3 or 4, loosely arranged, the terminal staminate, lanceolate, 1.5 cm. long, the others pistil­late, erect, with a few staminate flowers at the base, oblong- cylindric, 15-25 mm. long, densely many-flowered, on a long- exserted peduncle, the bracts short-bladed or setaceous, with a long sheath at base; pistillate scales obovate, pale green, trun­cate or emarginate, with a scaberulous apical awn, giving a comose aspect to the spikes; perigynia longer than the scales, 2.5 mm. long, obliquely spreading to divergent, broadly rhom­boid, 3-angled, many-ribbed, loosely hispidulous, cnneately narrowed at both ends, the beak short, erect, emarginate; stigmas 3, short

Kyushu (Tsushima); rare.