Stems terete, 0.8–3 mm. in diameter, pink or dark green.. Leaves spirally arranged, subopposite or in whorls, often crowded, linear to lanceolate, acute to subobtuse, mid-green to dark green, often strongly recurved, firm, opaque, 4–13 mm. long, (1.2–)2–3.7 mm. wide, without sclerenchyma fibres; margins ± hyaline, denticulate, the teeth projecting at right-angles to the margin, with a colourless, triangular basal portion.. Nodal scales linear, the margins entire.. Male spathe ovate to suborbicular, 4–4.2 mm. long, 2–3 mm. wide, pink or lilac, containing up to 30 flowers.. Male flowers not seen at maturity.. Female spathe narrowly ovate to ovate, 2–4.3 mm. long, 0.8–1.8 mm. wide, pink or lilac.. Female flower: sepals and petals ovate, 0.8–1.1 mm. long, 0.4–0.5 mm. wide, pale purple, translucent; ovary ± 2 mm. long, with 6–9 ovules; perianth-tube up to 20 mm. or more long; stigmas ± 1 mm. long, purple.. Fruit narrowly ovate to ovate, 3–7 mm. long, 1.2–1.5 mm. wide, purplish.. Seeds narrowly ellipsoid, 1.5–2 mm. long, ± 0.5 mm. wide, brown.