Delicate, glabrous annual with fibrous roots. Stems tufted, setaceous, angular, smooth, 5-12 cm by ¼-⅓ mm. Leaves much shorter than the stems, filiform, weak, flat, rather obtuse, abruptly acuminate, smooth, ½ mm wide; ligule absent.Inflorescence simple or almost so, loose, with (1-)3-5 spikelets, up to 2 cm long and wide. Involucral bracts 2-3, shorter than the inflorescence, erect, the lowest %-1 cm. Rays 1-3, erecto-patent, compressed, smooth, up to 12 mm. Spikelets solitary, lanceolate, strongly compressed, acute, few-flowered, 3-5 by 1 mm; rachilla narrowly winged. Glumes distichous, thinly membranous, erect, elliptic-ovate, muticous, densely reddish gland-dotted, 1½-2 by 1 mm. Stamen 1; anther oblong, c. ½ mm. Style triquetrous, pyramidally thickened at the base, glabrous, 1-1¼ mm; stigmas 3, about half as long as the style. Nut trigonous, oblong-obovoid, subsessile, minutely umbonulate, verruculose, stramineous, transversely lineolate by the oblong-linear epidermal cells, 3/5-¾ by ¼-⅓ mm.
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