Herbs, annual, cespitose, diminutive. Culms at most to 7 cm. Leaves overtopping scapes; sheaths pale, shorter than blade; blades spreading or curving outward, filiform, 0.5 mm wide, flat to slightly involute, margins thickened, scabrid. Inflorescences: spikelets solitary, either atop short, stiff glabrous scapes or very short-scaped to subsessile and clustered at plant base, pale with greenish scale midribs, ovoid, 5 mm; involucral bracts 2, the proximal strongly bladed, much exceeding spikelet. Spikelets: fertile scales lanceolate, keeled, 3.5 mm, keel excurrent as mucro or cusp. Flowers: stamens 3; anthers narrowly oblong, 0.5 mm. Achenes yellowish or pale gray, ribs prominent, trigonous obovoid, 1 mm, faces evenly, finely transversely rugose.
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