Perennial. Culms slender, branching and rooting at lower nodes, ca. 40 cm tall, nodes slightly swollen, puberulous. Leaf sheaths loose, slightly longer to slightly shorter than internodes, glabrous except for ciliate outer margin; leaf blades linear-lanceolate, 5–9 × 0.6–0.8 cm, abaxial surface puberulous, adaxial surface glabrous, margins slightly thickened, base subrounded, apex acuminate; ligule ca. 2 mm. Panicle open, ovate in outline, 6–10 cm, glandular; branches 1–2 per node, scaberulous, lower part naked, pedicels slender, equaling or longer than spikelets. Spikelets elliptic, 1.5–1.9 mm, yellowish green; florets similar, lower male or bisexual, upper bisexual; glumes ovate-elliptic, equaling or slightly longer than florets, hirtellous above middle, obscurely 7–9-veined, acute; lemmas subleathery, glabrous. Fl. and fr. autumn.
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