Japan Flora: Erect perennial, with long creeping rhizomes; culms rather rigid, 40-80 cm. long; leaf-blades nearly flat, green or glaucous-green, 3-8 mm. wide; ligules very short; spikes erect, 7-15 cm. long, the spikelets green or glaucous- green, 10-17 mm. long, 5- to 7-flowered; glumes equal, lanceolate, 7-12 mm. long, acuminate, 5- to 7-nerved; lemmas lanceolate, 7-11 mm. long, glabrous, nearly awnless or with a short, straight awn 2-4 mm. long; anthers linear, 4-6 mm. long.
Naturalized in Hokkaido and Honshu; rather rare. Europe, Mediterranean region, Siberia, n. China, Sakhalin, and N. America.