Perennial with very short rhizome. Stems slender but rigid, densely tufted, obtusely trigonous, smooth, striate, 30 cm by 2-3 mm. Leaves few, mostly shorter than the stems, narrowly linear, rigid, involute, not or hardly septate-nodulose, greyish green, scabrid on the margins in the upper part, 2-4 mm wide. Inflorescence compound, loose. Involucral bracts 3-6, the lower 1-2 much overtopping the inflorescence. Primary rays 6-12, obliquely spreading, very unequal, slender, smooth, the longest up to 12 cm, secondary ones capillary, divaricate, up to 3 cm. Spikelets stellately spreading, in clusters of 3-10 together, narrowly linear, acute, scarcely compressed, 8-14(-20)-flowered, 6-12 by 1 mm; rachilla narrowly hyaline-winged, persistent. Glumes membranous, ovate, appressed or finally slightly spreading, obtuse, keeled, shortly mucronulate just below the apex, rather remote (c. ⅓ imbricate), with green keel and yellowish to golden brown sides, 7-nerved, c. 2 by 1⅓ mm. Stamens 3; anthers short, linear-oblong, c. ½ mm long, with short, smooth, hyaline appendage of the connective. Style short; stigmas 3, longer than the style. Nut about as long as the subtending glume, triquetrous, linear-oblong, obtuse, apiculate, brown, c. 2 by ½ mm.
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