Japan Flora: Rather firm, glabrous perennial with much-branched creeping rhizomes; culms 10-40 cm. long, erect from ascending base, many-noded; leaf-sheaths short, usually 3-5 cm. long, overlapping, slightly pilose on the mouth, blades loosely involute, nearly smooth, 3-5 cm. long, 1-3 nun. wide or somewhat more than 10 cm. long in the innovation shoots, gradually narrowed to a fine point, ligule a hairy rim; panicle linear, spikelike, erect, pale, 4-8 cm. long, spikelets broadly lanceolate, about 2.5 mm. long, barely acute, glumes lanceolate, the first a little shorter than the second, lemma acute, palea as long as the Iemma. Oct. On seashores.
Kyushu (Mageshima near Tanegashima); rare. Pantropic.