Caespitose perennial; culms up to 75 cm tall, erect, fastigiately branched above a bare woody base, eglandular, the nodes concealed; basal leaf sheaths glabrous, chartaceous, terete, eglandular, persistent; ligule a line of hairs; leaf laminas 10–30 cm long, 0.5–0.8 mm in diameter, tightly involute and setaceous, flexuous or curved, glabrous, eglandular.
Panicle 7.5–11.5 cm long, narrowly oblong-elliptic to ovate, somewhat dense, the spikelets clustered about the branches and branchlets on pedicels 0.5–1 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.
Caryopsis c. 0.9 mm long, elliptic-oblong (immature, but probably trigonous in section).