Stems to 40 cm long, much-branched, forming intricate clumps. Primary-stem leaves: lamina 3-4 mm long, 3-nerved, obtuse and dark brown at apex, slightly recurved, shortly pubescent; sheath 7-nerved, the margins broadly scarious, often splitting away; leaves of branches 3-5 mm long, obtuse to acute, 5-nerved becoming 3-nerved below apex; lower leaves bract-like. Male flowers: peduncle 2-3 mm long, recurved; pedicels 1-1.5 mm long; sepals and petals 2-4 mm long, obovate, white; staminal filaments slender. Female flowers similar in size; pistil 2.5 mm long. Fruiting pedicel c. 1 mm long; perianth ±crustaceous, golden; capsule 3 mm long, smooth; style persistent. Seed 2-2.5 mm long, slightly rugose, pale yellow.