Tufted perennial forming low cushions, the leaves mostly basal, their sheaths becoming papery; culms 10–22 cm. high.. Leaf-blades flat, 1–5.5 cm. long, up to 4 mm. wide, widest at the base and gradually tapering to the tip.. Panicle ovate, 3–6 cm. long, diffuse.. Spikelets 2–2.3 mm. long, dark green or purplish; lower glume oblong, 0.4–0.7 mm. long, truncate; upper glume oblong, 1.2–1.3 mm. long, 1/2 as long as the spikelet, obtuse to truncate and erose; lemma ovate-elliptic, as long as the spikelet; anthers 3, 1.5 mm. long.