Japan Flora: Allied to the preceding; culms 10-25 cm. long; leaves and leafsheaths hairy; spikelets lanceolate, 4-7 mm. long, 1-1.5 mm. wide, acute; scales thinly membranous, oblong, 1.5-2 mm. long, the awn straight, 1/10-1/5 as long as the body of the scale, smooth; achenes 0.5 mm. long, smooth, the style-base with long, pendant hairs; stamen 1, the anther linear, 0.2 mm. long. Aug._Od. Wet places in lowlands.
Honshu, Shikoku, Kyushu; rather common. Korea, Manchuria, Ussuri, Malaysia, and Australia.