"Erect, tufted, non-rhizomatous annuals; culms 5-20 cm tall, capillary, smooth. Leaves shorter than the stems, capillary,c. 0.5 mm wide, apex acute; sheaths 3-4 mm long, loose, mouth oblique, acuminate with white 1-1.5 mm long hairs, pale coloured. Inflorescence simple,cymose, 5-8 x 4-5 mm, with usually 3 spikelets, the central one subsessile, lateral pedicelled; bracts 2-3, setaceous. Spikelets 2.5-3 x 1 mm,, oblong-acute, brown. Glumes spiral, 1-1.5 x 1 mm, ovate-acute, glabrous, muticous, strongly keeled, sides with reddish brown streaks, 1-2 basal ones empty and smaller. Stamen 1. Style linear, broader at base; stigmas 3. Nut c. 1 x 0.5 mm, obovate, triquetrous, white to stramineous, transversely wrinkled."