Leaves 1–2.6 cm long, 1-veined, glabrous; lamina linear-subulate, keeled, c. 0.5 mm wide. Cataphyll 2–4 mm long, acute, rarely absent. Scape straight, 0.3–5.5 cm long. Spike erect, symmetric, broadly ovate, 3–7 mm long, 4–6 mm wide, remaining compact. Primary bracts 2, patent, unequal, 3–9 mm long, glabrous, each long enclosing 2 or 3 male flowers; the first with a foliar point to 4 mm long; the second apiculate. Distal bracts 4–14, broadly ovate, apiculate, 2–3.5 mm long, each enclosing 1 female flower; dorsally keeled, crested with hairs; margins broad, ciliate near base. Secondary bract subtending stamen elliptic, 2–3 mm long. Anthers 0.7–1 mm long. Secondary bract subtending ovary broadly ovate, ciliate, 2–3 mm long. Seed 1–1.1 mm long.