Rhizomes creeping, with several fusiform bulblets. Culms scattered, 10-20 cm tall, 0.5-1.5 mm thick, terete, channeled, smooth, clothed at base with 1 or 2 dark brown bladeless leaf sheaths. Leaf sheaths 1-3 cm, hyaline, mouth obliquely truncate. Involucral bract 1, erect, culmlike, 1-2.5 cm, apex subacute. Inflorescence generally a single pseudolateral spikelet. Spikelet sessile, oblong to ovoid, 4-10 × 2-4 mm, densely 6-10-flowered. Glumes pale brown with minute brown spots, broadly ovate to ovate-oblong, 1-3.5 mm, veinless or 1-veined, apex obtuse. Perianth bristles absent or 1-3 unequal short bristles, when present 1/6-4/5 as long as nutlet, glabrous. Stamens 3; anthers linear, 1-1.5 mm. Style slender, ca. 3 mm; stigmas 2, ca. 1 mm. Nutlet brown, broadly ovoid, 1.5-2.5 mm, plano-convex, shiny, glabrous. Fl. and fr. Jun-Sep.
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