Culms loosely tufted, (15–)30–50(–70) cm tall, erect or obliquely ascending, firm and robust, scabrid below inflorescence, rarely smooth, nodes (2or )3 or 4, uppermost up to 1/3(–1/2) way up. Shoots extravaginal. Leaf sheaths scabrid, much shorter than internodes, usually longer or equal to blade; blade flat and usually firm, (4–)6–12 × 0.15–0.25(–0.3) cm; ligule (2–)3–5(–10) mm. Panicle narrow and dense, (4–)6–10 cm, branches erect, 2–5 per node, basal ones 1/6–1/2 as long as panicle with spikelets crowded near branch base. Spikelets lanceolate, sometimes very narrow and elongated, green or grassy yellow, 3.5–5(–10) mm, florets 2–5(–11); rachilla glabrous or warty; glumes, narrowly lanceolate, unequal, 2.5–4(–4.5) mm; lemma lanceolate, 3–4 mm; callus webbed or glabrous.
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