Racemes 5–9 cm long, solitary, glabrous except for a conspicuous ring of 2–4 mm long hairs at the base of the spikelet, long exserted from the linear spatheole, dull purple; peduncles longer than the racemes; internodes and pedicels terete, linear, widened at the apex.
Leaves mostly basal, often falcate; sheaths shorter than the internodes, glabrous or thinly pilose with straight hairs; laminas 4.5–24 cm × 1.2–4 mm, flat at the base, involute above, tapering to a fine point.
Densely caespitose perennial, often reddish-purple; culms up to 130 cm high, slender, erect, unbranched; internodes terete.