Japan Flora: Culms (10-) 20-60 cm. long, stout, slightly thickened at base; leaves 1-10 mm. wide; corymbs frequently compound, large, with 5 to 10 stiff rays to 15 cm. long, the bracts 5-8, the lower much longer than the inflorescence; spikelets spreading, linear, terete, 1-1.5 cm. long, 1-1.2 mm. thick, more or less flexuous, 5- to 16-flowered, the rachilla thick; scales loosely arranged, ap- pressed, 3 mm. long, elliptic, obtuse, nearly keeHcss, partly yellowish; achenes half as long as the scale, narrowly obovate, 3-angled, slightly compressed, brownish; stigmas 3.                     Hon­shu (Awa); rare.

Ryukyus, Formosa, Indochina, and Ma­laysia and the Tropics generally.