T: Tasmania, Mount Field National Park, Lake Seal, 27 Jan 1960, R.Carolin 1594; holo: NSW; iso: CANB, HO, MEL, SYD.
Perennials, to c. 2 cm tall, mat-forming; rhizomes thin, later wiry, long-noded, creeping, distally branched, ascending. Stems to 0.5 mm in diam., terete, erect. Leaves several, to 2 cm long, 0.2–0.6 mm in diam., unitubular, perfectly septate, often exceeding inflorescence; sheaths with 1–2 veins on each side; auricles obtuse, 0.5–0.7 mm long. Lower bract shorter than to exceeding inflorescence, to 1 cm long; base broadened. Inflorescence a single 1–3 (–6)-flowered head (very rarely 2 heads). Outer tepals (2.2–) 2.5–3.0 mm long; inner tepals slightly longer, all narrowly lanceolate, acute, green or stramineous, sometimes with reddish tinge; margins narrowly membranous. Stamens 3; anthers (0.5–) 0.7–1.0 mm long; filaments to c. 2 mm long; style 0.5–1.0 mm long; stigmas 0.7–1.0 mm long. Capsule ovoid, ±abruptly acuminate, dark golden brown to dark castaneous at maturity, equalling or occasionally longer than perianth. Seeds ovoid, apiculate, 0.7–1 mm long, reticulate; appendages absent.