Rhizomatous, tufted perennial, herb, 0.35-1 m high, culms broad, somewhat flattened; spikelets several-flowered; female flowers with 3 style branches. Fl. brown, Apr to May or Sep to Oct. Sand, peaty sand, sandy clay. Swamps and other wet or seasonally wet sites.
Beard’s Provinces: South-West Province.
IBRA Regions: Jarrah Forest, Warren.
IBRA Subregions: Southern Jarrah Forest, Warren.
Local Government Areas (LGAs): Albany, Augusta Margaret River, Bridgetown-Greenbushes, Manjimup, Nannup.
Rhizomes tufted, hairy. Basal sheath glabrous, dull, striate. Culms flattened or semi-flattened, internal structure (at base of culm) hollow, glabrous, striate, not marbled, not fasciculate. Culm 300-810 mm long. Sheaths (including blade) dull, striate, glabrous, margins not translucent. Apex obtuse, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences distinctly dissimilar, posture (male inflorescences only) Distinctly drooping, Culms unbranched below the inflorescence. Male spikelet 5 mm long. Subtending bract glabrous, Outer bract 3-3.5 mm long, margins firm and opaque, Apex obtuse. Perianth glabrous. 1.1-2 mm long. Inner bract glabrous, margins firm and opaque, Apex obtuse. Inner bract 3.4-3.7 mm long. Filament 0-0.1 mm long. Anther 1.1-1.2 mm long. Female spikelet 3.2-5 mm long. Subtending bract glabrous, margins firm and opaque, Apex obtuse. Outer bract 1.5-2.2 mm long. Perianth glabrous. 2.4-3 mm long. Inner bracts 1.6-3 mm long, glabrous, margins firm and opaque, Apex obtuse. Style two (or two-branched). 2-2.2 mm long. Fruit bilocular (capsule). Flowering Time April, May or September. Botanical Province South-West, IBRA Bioregions Jarrah Forest or Warren.
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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/