Perennials, tufted. Culms ascending, 10–20(–40) cm tall, 0.8–1 mm in diam., smooth, nodes 3–5, none exserted. Leaf sheaths smooth, glabrous, several times longer than internodes, 5–8 cm, 1–3 × as long as blade, uppermost closed for 3/10–1/3 of length; blade flat or folded, thickly papery, 2–8 cm × 1.5–3 (–4) mm, abaxially smooth, adaxially and margins smooth to sparsely scabrid, apex acute to acuminately prow-tipped, of tillers to 16 cm; ligule 1–2(–3) mm, abaxially smooth or sparsely scabrid, apex obtuse to acute, collar glabrous. Panicle open, slightly included to exserted, 5–13 cm, longest internodes 2–3 cm; branches ascending to spreading, 1 per node, rounded, distally sparsely scabrid, longest 3–4 cm with 10–16 spikelets in distal 2/3. Spikelets green, (4–)5–6 mm, florets 2–3(–4); vivipary absent; rachilla internodes ca. 0.5 mm long, smooth, glabrous; glumes subequal, smooth, lower glume 3.5–4 mm, 1-veined, upper glume 3.5–5 mm, 3-veined; lemmas lanceolate, firm, 4–5 mm, apex acuminate, keel villous for 3/4 of length, marginal veins for 1/2, intermediate veins faint to moderately prominent, areas between veins minutely bumpy; callus densely webbed; palea distinctly shorter than lemma, minutely bumpy between keels, keels scabrid. Anthers 0.8–1 mm. Fl. and fr. Jun–Aug.
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