Compactly tufted perennials. Culms to 80 cm high, branched at lower nodes, terete; internodes smooth, glabrous. Leaves: ligule to 0.3 mm long; blade involute or flat, to 20 cm long, to 2 mm wide. Inflorescences 11–40 cm long, 1–3 cm wide, densely congested and spicate; branches tightly appressed, 1–3 cm long, bearing spikelets from base. Glumes normal, entire, aristulate, 1-nerved, glabrous; lower glume persistent, 6–11 mm long, acute; upper glume 8–13 mm long. Lemma 6–11 mm long, subequal to lower glume, convolute, apically muricate, without an articulation or pseudoarticulation; column absent; awns subequal, 11–24 mm long, straight; lateral awns flattened. Caryopsis terete, to 7.5 mm long, ±twice to more than twice embryo length.
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