Japan Flora: Rhizomes slen­der; culms in loose tufts, slender, 60-80 cm. long, smooth; leaf­blades deep green, thin, flat, broadly linear, 10-20 cm. long, 8-15 mm. wide; spikes slender, pendulous or prominently nod­ding, about 10 cm. long, the axis glabrous; spikelets solitary, sessile, 1-flowered, slightly ascending; florets readily deciduous; glumes wholly suppressed or short-subulate, to 4 mm. long; lemmas about 10 mm. long, lanceolate, long-hispid near the margin, the awn erect, slender, 15-25 mm. long; rachilla slender; palea as long as the lemma.                  June-July. Woods.

Honshu (Shinano and westw.), Shikoku, Kyushu; rare.