Rhizomatous, erect, tufted, dioecious herb, 0.6-0.9 m high. Fl. Mar to May. Dry sand. Heath.
Beard’s Provinces: South-West Province.
IBRA Regions: Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions: Lesueur Sandplain, Perth.
Local Government Areas (LGAs): Carnamah, Coorow, Dandaragan.
Rhizomes tufted, hairy. Basal sheath hairy, glossy, striate. Culms terete, internal structure (at base of culm) hollow in upper part, glabrous, striate, not marbled, not fasciculate. Culm 270-610 mm long. Sheaths (including blade) spreading, glossy, not striate, glabrous, margins not translucent. Apex elongated or recurved, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms branched below the inflorescence. Male spikelet 6-10 mm long. Subtending bract glabrous, Outer bract 3-6 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth hairy. 3.5-4.2 mm long. Inner bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Inner bract 3-4.7 mm long. Filament 1.5-1.7 mm long. Anther 1-1.3 mm long. Female spikelet 7-10 mm long. Subtending bract glabrous, margins firm and opaque, Apex acuminate to attenuate. Outer bract 4.2-4.5 mm long. Perianth glabrous. 4.5-4.8 mm long. Inner bracts 6.2-7 mm long, glabrous, margins thin and translucent, Apex acuminate to attenuate. Style two (or two-branched). 2-2.5 mm long. Fruit bilocular (capsule). Flowering Time March, April or May. Botanical Province South-West, IBRA Bioregions Geraldton Sandplain or Swan Coastal Plain. Conservation Code Priority Two (P2).
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/