Perennial. Stems densely tufted, setaceous, smooth, 10-20 cm by ¼-½ mm. Leaves ⅓-½ as long as the stems, erect, rigid, very narrow, flat, acute, glabrous, scabrid at the top, greyish or glaucous, ½-⅔ mm wide; ligule absent. Inflorescence simple or compound, loose, with 4-18 spikelets, 2-4 cm long. Involucral bracts 2-3, very short, erect, dilated at the base, up to 1 cm. Primary rays 2-4, filiform, compressed, smooth, 1-2 cm. Spikelets solitary, lanceolate, strongly compressed, acute, few-flowered, 4-6 by 1-1½ mm. Glumes distichous, membranous, erect, lanceolate, acutish, keeled, fuscous, densely reddish gland-dotted, with 3-nerved keel and nerveless sides, 3-3¾ by c. 1½ mm; rachilla winged. Stamens 3; anthers linear, the anther-cells 1-1¼ mm, the connective produced into a subulate, smooth, ¼ mm long appendage. Style triquetrous, glabrous except for the hairy, pyramidally thickened base, 2½-3½ mm; stigmas 3, much shorter than the style. Nut trigonous with somewhat convex sides, obovoid, shortly stipitate, obtuse, not umbonate, smooth, whitish, 3/5-¾ by 2/5-½ mm; epidermal cells minute, isodiametric.