Plants 10-45 cm tall. Stem erect, much branched; branches obliquely spreading. Leaves narrowly elliptic or oblanceolate, 0.2-4.5 × 0.5-1 cm, base attenuate, apex rounded, mucronate. Spikelike inflorescence terete, crowded; bracts lanceolate to broadly ovate, 0.5-1.5 cm × 3-7 mm, base rounded, margin membranous, apex acute, mucronate. Perianth segments 3, upper one broadly ovate, ca. 1 × 1.5 mm, lower segments triangular, smaller. Stamens 5; filaments subulate, equaling or slightly longer than perianth segments. Utricle sublustrous, discoid, 2.6-4 mm, glabrous; wing very narrow, involute; beak obscure. Fl. and fr. Aug-Sep.
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