Beard’s Provinces: South-West Province.
IBRA Regions: Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions: Lesueur Sandplain, Perth.
Local Government Areas (LGAs): Dandaragan.
Rhizomes tufted, glabrous. Basal sheath glabrous, glossy, striate. Culms terete, internal structure (at base of culm) hollow in upper part, glabrous, striate, not marbled, not fasciculate. Culm 90-230 mm long. Sheaths (including blade) spreading, dull, striate, glabrous, margins not translucent. Apex elongated, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms unbranched below the inflorescence. Male spikelet 8.5-12 mm long. Subtending bract glabrous, Outer bract 6.2-7.7 mm long, margins firm and opaque, Apex acuminate to attenuate. Perianth glabrous. 4-5 mm long. Inner bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Inner bract 4.7-4.8 mm long. Filament 3-3.2 mm long. Anther 1.5-1.6 mm long. Female spikelet 7-10 mm long. Subtending bract glabrous, margins firm and opaque, Apex acuminate to attenuate. Outer bract 5-7 mm long. Perianth glabrous. 5.5-6.5 mm long. Inner bracts 4-6.5 mm long, hairy, margins firm and opaque, Apex acuminate to attenuate. Style one, arising centrally from the ovary apex. 5.5-6.7 mm long. Fruit indehiscent (nut). Botanical Province South-West, IBRA Bioregions Swan Coastal Plain. Conservation Code Priority Three (P3).
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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/