Laxly or densely caespitose. Culms 10–20–(30) cm. long, us. slightly < but. occ. > 0.5 mm. diam., glab.; basal bracts dull grey-brown. Lvs 4–6 per culm, slightly < flowering culms, much < mature culms, c. 0.5 mm. wide, plano-convex or concavo-convex, rigid, linear, scarcely narrowed to the obtuse tip, margins scabrid. Spikes 1.5–2–(3) cm. × 2–3–(6) mm., oblong, female fls (2)–4–7–(12), ± close-set, internodes 1.5–3–(4) mm. long. Glumes < or > utricles, deciduous, lanceolate, subacute, sides membr., midrib green. Utricles 4–5–(6) × c. 1 mm., trigonous, elliptic-lanceolate, greenish brown to dark brown, lateral nerves prominent, shining, very slightly contracted to a broad stipe c. 1mm. long, beak 1–1.5 mm. long.