Perennial with rambling culms 15-150 cm long. Leaf-blades narrowly lanceolate to narrowly ovate, 2-15 cm long, 8-25 mm wide. Inflorescence 5-25 cm long, the lowest raceme 2.5-10 cm long, its rhachis glabrous to loosely pilose, the spikelet pairs ± distant. Spikelets lanceolate, 2.5-4 mm long, glabrous to pubescent; glumes with smooth viscid awns, the longest in each pair of spikelets 3-10 mm.