Trailing perennial; culms 20–40 cm. high.. Leaf-blades lanceolate, 3–12 cm. long, 5–20 mm. wide, broadly rounded at the base, mostly glabrous on the margins (ciliate in India).. Inflorescence of 2–8 racemes on a common axis 1–7 cm. long; racemes 2–5 cm. long, bearing single or paired spikelets on a subtriquetrous rhachis, the pedicels (sometimes also the rhachis) with white hairs.. Spikelets narrowly ovate, 3–4(–4.5) mm. long, sharply acute; lower glume ovate, 1/3 the length of the spikelet, subacute; upper glume without crossveins, glabrous or pubescent; upper lemma submuricate with a mucro 0.5 mm. long (merely mucronulate in India).