Loose tufts, 15-40 cm, sometimes stoloniferous. Leaf-sheath distinctly ribbed. Ligule 2-5.5 mm, truncate or rounded, becoming lacerate. Leaf-blade 1.5-7 cm × 1-3 mm, flat, scabrid. Culm geniculate at base, erect or ascending above, internodes glabrous. Panicle 2-8 × 0.5-2.2 cm, dense, oblong or lanceolate, often lobed, brownish green; rachis smooth, branches and short pedicels scabrid. Spikelets persistent, 3-5 mm, green to purplish brown. Glumes = spikelet, firmly membranous, very finely scabrid; awn apical, 1-2.3 mm, straight, fine, finely scabrid. Lemma < glumes, 1.2-1.8 mm, glabrous, elliptic-oblong, truncate, apex irregularly and very shortly denticulate; awn very fine, subapical, 0.7-2 mm. Palea < lemma, glabrous, finely 2-nerved. Callus glabrous. Stamens 3; anthers 0.7-1 mm, pollenless. Caryopsis usually not developed, very rarely present and 1-1.5 ×c. 0.5 mm.