Densely tufted perennial. Stems erect, very slender, sulcate-angular, compressed, pubescent or glabres-cent, 30-45 cm by ½-⅔ mm. Leaves much shorter than the stems, rather firm, flat, abruptly acuminate, pubescent especially beneath, scabrid on the margins, with scarcely keeled, pubescent sheaths, 1-1½ mm wide; ligule absent. Inflorescence consisting of a single terminal spikelet. Spikelet erect or slightly oblique, ebracteate, lanceolate, terete, acute, densely many-flowered, 7-15 (ultimately up to 20) by 3-4 mm; rachilla narrowly winged. Glumes spiral, appressed, membranous, ovate or oblong-ovate, acutish, mucronulate, scarcely keeled, 1-nerved, glabrous, shining brown in the upper half, much paler below, hyaline-margined, c. 5 by 3 mm. Stamens 3; anthers linear, 2 mm. Style flat, scarcely dilated at the shortly setulose base, densely ciliate in the upper half, 4-4½ mm; stigmas 2, somewhat shorter than the style. Nut biconvex, with acute edges, obtriangular-obovate, obtuse or subtruncate, shortly stipitate, scarcely umbonulate, densely verruculose all over, obscurely reticulate by the small, roundish or hexagonal epidermal cells, whitish or stramineous, 1.2 by 5/6 mm.
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