Japan Flora: Large, tufted, strigose-hirsute perennial 80-200 cm. high; leafblades oblanceolate or lanceolate, plicate, 30-60 cm. long, 3-7 cm. wide, scabrous, hirsute or nearly glabrous, sessile or gradually narrowed to a petiolelike base; ligules very short, long bristly-hairy; sheaths and sheath-margins long bristly-hairy; panicles 20-40 cm. long, somewhat nodding at maturity; branches rather spikelike, nearly simple or short-branched, the branchlets partly ending in a short bristle; spikelets ovate, green, about 3 mm. long, abruptly acuminate; first glume 2/5-1/2 as long as the spikelet, the second slightly shorter than the spikelet, 7-nerved, ovate; sterile lemma largest, 5-nerved, acuminate; floret nearly as long as the sterile lemma, transversely finely rugose, lustrous, mucronate. Aug.-Nov.
Kyushu (s. distr.). Tropical Asia, including the Ryukyus and Formosa