Culms shrubby; internodes terete, to 38 cm, hollow, glabrous; nodes with prominent initially setose sheath scar; supra-nodal ridge slightly swollen. Branches initially 3 per node, later 5–11. Culm sheaths persistent, narrowly triangular-oblong, shorter than internode, leathery; auricles absent; oral setae absent or scarce, erect; blades erect or reflexed on upper culm, subulate or triangularly subulate, 1.2–3.5 × 0.15–2.5 cm. Leaf sheath auricles absent; blade lanceolate, 10–26 × 1.5–3 cm, secondary veins 5–7-paired. Inflorescence with 1–8 pseudospikelets, branching racemose or simply paniculate; pseudospikelets with many florets, reduced at inflorescence base. Glumes 1 or 2; lemma papery, 7–11-veined, apex aristiform-apiculate; palea bifid; lodicules 3. Anthers 5–6 mm. Styles 2. Caryopsis oblong, pericarp thick.
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