Japan Flora: Annual; culms 4-15 cm. long; leaves few, flat, aggregated at the base of culm, 2-6 cm. long, nearly 1 mm. wide, the sheaths brown; inflorescence simple, the bracts 1 or 2, scalelike; spike­lets 1-3, oblong, chestnut-brown, 5-7 mm. long, dull, obtuse; scales thin, membranous, appressed, oblong, slightly ciliate, emarginate, the green midrib prolonged into a short upright awn; achenes biconvex, broadly obovate, about 1 mm. long, dark brown, more or less lustrous, nearly smooth; stamens 3, the anthers 0.5-0.8 mm. long.               Sept.-Oct

Honshu (Kad­zusa); rare