Plants annual(?), densely cespitose; rhizomes obscured among culm bases, delicate, internodes very short, scales not evident. Culms mostly ascending, terete or 4-angled, 2 cm × 0.2–0.3 mm, soft. Leaves: distal leaf sheaths persistent, greenish to whitish, translucent, membranous, apex blunt. Spikelets ovoid, 2–3 × 1 mm, apex acute; floral scales 7–10, 5 per mm of rachilla, bright brown or colorless, medially greenish, ovate to lanceolate, not folded lengthwise, 0.8–1.2(–1.5) × 0.6–0.8 mm, midrib obscure to slightly keeled, apex acute to acuminate. Flowers: perianth bristles absent; anthers orange-brown, 0.2–0.3 mm. Achenes brownish, broadly ovoid to obpyriform, much less than 2 times longer than wide, with angles plus longitudinal ridges ca. 6, rather obscure, 0.5–0.55 × 0.35 mm, apex blunt, trabeculae 15–20, distinct. Tubercles grayish or brownish, often appressed, mostly pyramidal, 0.1 × 0.1 mm.
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