Glabrous broom-like perennial to 95 cm. Stems erect or ascending, branched above. Leaves reduced to scales. Inflorescence a lax one-sided spike; flowers in many-bracted clusters of 1-4, sessile or shortly pedicellate; bracts ovate, erose-serrulate. Hypanthium 0.5-0.9 mm long. Sepals narrowly triangular, 0.7-0.9 mm long, with whitish erose-serrulate margin. Corolla yellow to yellow-green; tube 2-3.3 mm long; lobes 1.3-2.1 mm long, narrowly acute to subacuminate. Gynoecium 3-partite. Cocci 1-3, obovoid-ellipsoidal to ellipsoidal, 1.8-3.4 mm long, rugose to verrucose, the base with small shallow cavity but no protruding bony endocarp.
Grows in moist sand, often peaty, and on sandstone, in low heath on swamp margins and on coastal flats, rarely on hillsides.