Japan Flora: Tall tufted perennial; culms erect, simple, 80-120 cm. long, rather stout, resinously lustrous below the panicle; radical leaf-blades fiat, linear, 40-60 cm. long, 1-1,5 cm. wide, acuminate, grad­ually narrowed to the petiole, sparsely pilose or glabrous; lig­ules 2-4 mm. long, appressed-pubescent dorsally; sheaths smooth, the upper cauline not petiolate; panicles 20-30 cm. long, nodding; racemes loosely arranged, rather many, pendul­ous or nodding on rather long, nearly smooth, slender pedun­cles, 3-5 cm. long, sometimes branched at base, loosely spic- ulose; rachis persistent, with a tuft of short hairs at each node; joints and pedicels slightly thickened above; spikelets equal, lanceolate, terete, about 6 mm. long, scabrous, acuminate, white-pilose, pale green, rarely dull purple; glumes herbaceous, with raised nerves; fertile lemma with an exserted awn.  Sept.-Oct. Grassy places and thickets in low mountains.

Hok­kaido, Honshu, Shikoku，Kyushu; common and variable. Korea, Formosa, China, and India.

f. sagittiformis Ohwi. Radical leaves with blades sagittate at base.