Glabrous perennial to 80 cm. Stems erect or ascending, branched above. Leaves narrowly linear to broadly ovate, sometimes scale-like, to 20 mm long. Inflorescence a one-sided spike; flowers arranged singly, tri-bracteate, subsessile to shortly pedicellate; bracts entire. Hypanthium 0.7-1.6 mm long. Sepals narrowly linear, 1.5-3 mm long, entire, acuminate, yellow-green or green to brown-black. Corolla yellow, green-yellow or brown-black; tube often broadly striped, curved, 5-8 mm long; lobes narrowly triangular, 2.5-7.5 mm long, acuminate. Gynoecium 3-partite. Cocci circular to broadly elliptic in outline, 4.3-7.5 mm long, with 2 broad lateral wings and a narrower shorter median wing.
Usually in sand, sometimes in loam, clay or stony soil, in heath and sclerophyllous forest and woodland; abundant after fire and in semi-disturbed sites.
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