Tufted annual; culms up to 16 cm high, procumbent to erect. Leaf-blades 1.5-7 cm long, 2-4 mm wide, glabrous, scaberulous on the margins. Inflorescence 1-4 cm long, rigid, ± secund; pedicels stout, up to 1 mm long. Spikelets 6-10 mm long, narrowly oblong, crowded, glumes somewhat asymmetrical, glabrous, oblong-ovate, with broad hyaline margins, the lower 2-3 mm long, obtuse to emarginate, (1-)3(-5)-nerved; the upper 3.5-5 mm long, rounded to emarginate, (5-)7-9-nerved; lowest lemma 4.8-6 mm long, the upper much shorter, glabrous, rounded to emarginate, sometimes very shortly mucronate.