Japan Flora: Tufted perennial; culms 80-100 cm. long; leaf-blades flat, broadly linear, 20-40 cm. long, 8-12 mm. wide, glabr에s, scabrous on margins, pilose on both sides near base, midrib rather slender; ligules semirounded or truncate, 2-3 mm. long; sheaths sometimes sparsely pilose; corymbs exserted, erect, with a very short axis; racemes 2-12, 10-15 cm. long; spikelets 5-6 mm. long, acute, with a tuft of hairs at base about half as long as the spikelet, awnless; glumes rather coriaceous, brownish, acute, long-pilose, the first bi­den tate, scabrous on the 2 ribs above. Aug.-Oct. Moun­tains.

Honshu (centr. distr.).