Plants 10-12 cm tall. Stem few branched from base; branches obliquely spreading, equaling or longer than stem, terete. Leaves linear, 2-2.5 cm × ca. 2 mm, 1-veined, base attenuate, apex acute, mucronate. Spikelike inflorescence terete or clavate, crowded; bracts lanceolate to ovate, 0.6-2 cm × 2-3 mm, narrower than utricle, 1-veined, base attenuate to rounded, margin membranous, apex acuminate, mucronate. Perianth segment 1, ovate or broadly so, 1-1.5 × ca. 1 mm, apex truncate or rounded, erose, Stamens 1-3; filament of middle one ca. 2 × as long as perianth, others usually not developed. Utricle with a few brown spots, sublustrous, ovate, 4.5-5.5 × 3-4.5 mm, covered with stellate hairs, base truncate or subcordate, apex acute, deeply and narrowly emarginate; wing ca. 1 mm wide, margin irregularly incised; beak ca. 1.5 mm, apex ca. 1/5 as long as beak, slightly curved. Fl. and fr. Jul-Aug.
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