Rhizomatous perennial; culms up to 30 cm high, erect or creeping at the base. Leaf-blades narrow, rounded at the base, up to 5 cm long and 2 mm wide, rigid, pungent, glabrous or with tubercle-based hairs, margins scabrid. Panicle spiciform, interrupted, the spikelets densely packed on rhachides distinctly spaced on one side of the main axis, up to 10 cm long, 0.5-1.5 cm wide, Spikelets 6-9-flowered, elliptic, 3-3.5 mm long, 2-2.5 mm wide. Glumes subequal, 1.25-1.5 mm long, glabrous, the lower 1-3-nerved, narrower than the upper, the upper 5-nerved; lemmas broadly elliptic, apiculate, 9-nerved, 1.7-2.5 mm long, glabrous or sparsely hairy; anthers 0.75-1 mm long.