Stoloniferous perennial; culms 20-100 cm high, erect or ascending, smooth. Leaf-blades flat, 3-12 cm long, 2-7.5 mm wide, scabrid on both surfaces; ligule 2-5 mm long. Panicle pyramidal, lobed, 2-15 cm long, dense, the branches subverticillate. Spikelets 15-25 mm long, falling entire attached to the pedicel; glumes obtuse, awnless, scabrid on the back; lemma c. 1 mm long, denticulate, awnless; palea four-fifths to as long as the lemma; anthers 0.4-0.7 mm long.