Japan Flora: Culms slender, densely tufted, 10-30 cm. long, simple or slightly branched at base, glabrous, short-pilose on nodes; leaf­blades thin, broadly linear to narrowly lanceolate, 4-6 cm. long, 3-5 mm. wide, acuminate, glabrous, often with loosely involute margins, minutely papillose-scaberulous; ligules very short, long-pilose; sheaths short, ciliate above; raceme solitary, 1-3 cm. long, the joints very short, densely white-pilose; spike­lets broadly lanceolate, about 1.5 mm. long; second glume with a delicate awn about 10 mm. long at apex; awn of fertile lemma about 15 mm. long, brown. Aug.-Nov. Rocky cliffs and roadbanks in lowlands.

Honshu (Kii Prov. and Chugoku Distr.), Shikoku, Kyushu; rather common.