Probably annual. Stems densely tufted, very slender, obtusely trigonous, somewhat compressed, striate-sulcate, glabrous and smooth, leafy at the base, 15-35(-75) cm by c. ½ mm. Leaves somewhat shorter than to about as long as the stems, almost filiform, often with inrolled margins, acute, glabrous, or slightly puberulous on the sheaths, scabrid towards the apex, 1-1½ mm wide; ligule a fringe of short hairs. Inflorescence simple or compound, very loose, with (3-)10-35 spikelets, (2-)3-8 cm long. Involucral bracts 3-5, erecto-patent, scarious-margined at the dilated base, glabrous or ciliolate, the lowest over-topping the inflorescence, up to 10 cm. Primary rays 5-7, very slender, erecto-patent, compressed, gla-brous and smooth, the longest up to 4 cm. Spikelets solitary, oblong-lanceolate, terete, very acute, densely many-flowered, 4-5 by 1¼-1½ mm; rachilla nar-rowly winged. Glumes spiral, appressed, chartaceous, glabrous, broadly ovate, apiculate, scarcely keeled, with prominent midnerve, faintly 5-8-nerved sides, and hyaline margins, shining brown in the apical part, much paler below, 2¼-2¾ by 2-2½ mm. Stamens (2-)3; anthers linear, (1-)1½ mm. Style slender, flat, not hyaline-margined, hardly dilated at the base, ciliate in the upper half, 1¼-1½ mm. stigmas 2, shorter than the style. Nut biconvex. narrowly obovate, shortly stipitate, umbonulate, trabeculate by 4-6 longitudinal ribs and numerous cross-bars, smooth, stramineous, 7/10-9/10 by ½-3/5 mm; epidermal cells impressed, transversely oblong-linear.
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