Perennial, densely tufted, intravaginal and extravaginal tillering shoots present. Culms erect, 20–30 cm tall. Uppermost leaf sheath very long; ligule ca. 2 mm; leaf blade 3–8 cm, 1–2.5 mm wide, margins and adaxial surface scabrid. Panicle very narrow, 8–18 cm; branches short, appressed or slightly spreading after anthesis, smooth or sparsely scabrous along upper part. Spikelets ca. 4–6 mm, florets 3–5; glumes ovate-lanceolate, lower glume 1–1.5 mm, 1-veined, upper glume 1.5–2 mm, 3-veined; lemmas ovate-lanceolate, 2.5–3.2 mm, base glabrous or subglabrous, apex acuminate; palea keels smooth on lower part, scabrous on upper part; anthers 0.7–1.2 mm. Fl. Jun–Jul.
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