Rhizomatous, perennial, herb, 0.3-0.65 m high, forming large clumps. Fl. brown, May or Sep. Yellow/grey sand with lateritic gravel. Intermittently moist watercourses in heath.
Beard’s Provinces: South-West Province.
IBRA Regions: Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain.
IBRA Subregions: Lesueur Sandplain, Northern Jarrah Forest, Perth.
Local Government Areas (LGAs): Beverley, Boddington, Coorow, Dandaragan, Wandering, York.
Rhizomes spreading, hairy. Basal sheath hairy, dull, striate. Culms terete, internal structure (at base of culm) hollow, glabrous, striate, not marbled, not fasciculate. Culm 320-730 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 6-8 mm long. Subtending bract glabrous, Outer bract 3.2-4.5 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth glabrous. 4-6.5 mm long. Inner bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Inner bract 3.6-4 mm long. Filament 2.8-3 mm long. Anther 1.5-1.8 mm long. Female spikelet 6-8 mm long. Subtending bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Outer bract 5-6 mm long. Perianth glabrous. 3.5-4 mm long. Inner bracts 4-4.3 mm long, glabrous, margins thin and translucent, Apex acuminate to attenuate. Style two (or two-branched). 3.2-3.5 mm long. Fruit bilocular (capsule). Flowering Time May or September. Botanical Province South-West, IBRA Bioregions Geraldton Sandplain or Jarrah Forest.
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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/