Rhizomatous, tufted perennial, herb (sedge-like), 0.05-0.3 m high. Fl. Sep to Dec or Feb. Peaty sand over granite. Dry to seasonally inunated sites.
Rhizomes tufted, glabrous. Basal sheath glabrous, dull, striate. Culms terete, internal structure (at base of culm) hollow, glabrous, not striate, not marbled, not fasciculate. Culm 130-500 mm long. Sheaths (including blade) spreading, dull, not striate, glabrous, margins not translucent. Apex recurved, glabrous. Monoecious (with separate male and female flowers on the same plant). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms unbranched below the inflorescence. Male spikelet 2.5-3 mm long. Subtending bract glabrous, Outer bract 2.5-2.7 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth glabrous. 2.2 mm long. Inner bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Inner bract 2.3-2.4 mm long. Filament 2-2.3(-3.3) mm long. Anther 1.1 mm long. Female spikelet 2.8-6 mm long. Subtending bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Outer bract 2-3 mm long. Perianth glabrous. 2-3 mm long. Inner bracts 2.1-2.7 mm long, glabrous, margins thin and translucent, Apex acuminate to attenuate. Style three (or three-branched). 2.2-2.6 mm long. Fruit trilocular (capsule). Flowering Time February, September, October, November or December. Botanical Province South-West, IBRA Bioregions Jarrah Forest, Warren or Esperance.