Sprawling stoloniferous perennial; culms prostrate or geniculately ascending, up to 30 cm high, rarely forming clumps up to 90 cm high. Leaf-blades (1)2.5-15 cm long, 2-3 mm wide, glaucous. Spikes 1.5-4.5 cm long, clustered at the top of the culm. Spikelets 4-8-flowered, 4.5-8 mm long; lower glume 2.2-23 mm long; upper glume 3.5-4.7 mm long; lemmas 3.8-5.4 mm long.