Leaves 2-or 3-veined, 0.8–6 cm long, glabrous or strigose at base; lamina linear-subulate, keeled, c. 0.6 mm wide. Cataphyll 2–10 mm long, acute to obtuse, rarely absent. Scape straight, 1–16 cm long. Spike erect, asymmetric, triangular to rhomboid, 5–13 mm long, 5–12 mm wide, becoming loose. Primary bracts 2, patent, unequal, 5–10 mm long, linear-subulate, glabrous or basally pilose, enclosing 1 or 2 male flowers and sometimes 1 female flower. Distal bracts 5–14, lanceolate-cymbiform, acute, 3–6 mm long, each enclosing 0 or 1 male flower and 1 female flower; dorsally rounded, pilose except on midline; margins narrow, ciliolate. Secondary bract subtending stamen lanceolate, c. 2 mm long. Anthers 0.7–1.5 mm long. Female flower without secondary bract. Seed 1.0–1.3 mm long.
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