Japan Flora: Rhizomes cireping, covered with brown withered leaves; culms 10-30 cm. long, firm and thick, appressed-sericeous while very young; leaves flat, thick, 1.5-2 mm. wide, slighdy shorter than the culm, often more or less revolute, the mouth of the sheath not hairy; inflorescence simple, umbelliform, with a few rather thick spreading rays, the bracts 1 or 2, short; spikelets 3-10, clustered at the apices of the rays, narrowly ovoid, 6-10 mm. long, about 4 mm. thick, grayish brown; scales broadly ovate, 3-4 mm. long, keeled, many-nerved; achenes 1.5 mm. long, broadly obovate, biconvex, dark brown, the reticulations minute and indistinct; stamens 2 or 3, the anthers 1.5 mm. long, linear- oblong.  Aug.-Oct. Sandy places near seashores.

Honshu (Hitachi, Etchu and westw.), Shikoku, Kyushu. Ryukyus, Formosa, China, Indochina, India, Malaysia, and Australia.