Stoloniferous perennial forming extensive spreading mats; culms slender with swollen bases, 7-45 cm high, erect. Leaf-blades flat or loosely folded, tough and rather glaucous, 1-11 cm long, 1.5-3 mm wide, scattered papillose-hispid especially along the margins. Inflorescence composed of 34(5) slightly falcate oblong spikes 0.8-2 cm long forming a compact head, the spikes readily disarticulating at maturity from the top of the culm. Spikelets 3-9-flowered, broadly lanceolate to ovate, 4-8 mm long; glumes broadly elliptic in profile, the lower 1.7-2.5 mm long, the keel narrowly winged, the upper 1.5-2.3 mm long, the prominent scabrid keel extended into an awn half to as long as the glume; lemmas lanceolate in profile, 3-3.8 mm long, obtuse to acute with the scabrid keel extended into a mucro up to 0.8 mm long; palea-keels finely scabrid, unwinged; anthers 1.1-2 mm long. Grain 0.7-1 mm long, transversely rugose.