Spikelets 1.2–1.7 mm. long, ovate or orbicular, sparsely to densely pubescent, rarely glabrous; inferior glume 2/3–3/4 the length of the spikelet, 3-nerved; superior glume 5-nerved; inferior lemma 5-nerved, enclosing a male flower, its palea well developed; superior lemma and palea verruculose.
A caespitose perennial with slender erect culms (20)30–60(85) cm. high.
Leaf laminae 10–20(25) cm. long, linear, acuminate.
Panicle 3–15(20) cm. long, ovate or oblong.