Perennial. Culms tufted, erect, slender and rigid, 30–40 cm tall, less than 2 mm in diam. Leaf sheaths densely pilose, usually shorter than internodes but longer than internodes at base; ligules a line of hairs, ca. 0.3 mm; leaf blades usually involute, 5–10 × 0.1–0.2 cm, densely pilose at both surfaces. Panicle lax, 4–10 × 2–5 cm; branch usually solitary, slender, glabrous in axils. Spikelets yellow, oblong, 3–7 × ca. 2 mm, 7–14-flowered. Glumes ovate-oblong, subequal, 1–1.5 mm, apex acute. Lemmas ovate-oblong, apex obtuse, lateral veins faint. Palea slightly shorter than lemma, slightly arc-shaped, along keels ciliolate, persistent or tardily deciduous. Stamens 3; anthers ca. 0.8 mm. Caryopsis furrowed on one side, bluntly triangular in section. Fl. and fr. Aug.
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