Tufted, sometimes stoloniferous, perennial; culms up to 45 cm high, crowded, geniculately ascending. Leaf-blades lanceolate-acuminate, rounded at the base, flat, rather glaucous, 3-9 cm long, 2.24 mm wide, glabrous. Inflorescence an open panicle up to 10 cm long, the branches often simple. Spikelets 7-14-flowered, ovate, 5-6.5 mm long, on pedicels 1-3 mm long; glumes unequal, shorter than or slightly exceeding the lowest lemma, the lower 1-nerved, 2.2-3 mm long, the upper 3-nerved, mucronate, 3-3.5 mm long; lemmas 3-nerved, broadly elliptic, 2.7-3 mm long, herbaceous, smooth and glabrous on the back, keeled in the upper half, obscurely keeled or rounded on the back in the lower third, the tip broadly rounded to truncate, mucronulate.