Japan Flora: Robust, tufted, evergreen per­ennial; culms 1-2.5 m. long, stout, smooth; leaf-blades elon­gate, 1.5-3 cm. wide, pale glaucous-green, scabrous on mar­gin, pubescent above near base; ligules truncate, to 2 mm. long; sheaths smooth; panicles pyramidal, 30-50 cm. long, erect, white, the axis nearly reaching to the summit of the panicle, puberulent-scaberulous, with axillary tufts of hairs; racemes numerous, nearly sessile, branched at base, slender, 10-20 cm. long; spikelets on pedicels of various length, obliquely spreading, lanceolate, 3-3.5 mm. long, acute, with a tuft of hairs 4-6 mm. long at base; glumes herbaceous, gla­brous; awn of fertile lemma 8-10 mm. long. July-Aug. Lowlands.

Honshu (s. Kan to, Tokaido Distr. and westw.), Shikoku, Kyushu. Ryukyus, Formosa, and the Pacific Islands.