Dioecious rhizomatous, dense perennial, herb, 0.25-0.45 m high. Grey or peaty sand, sandy clay. Swampy sites, creek & stream banks.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P2, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs): Augusta Margaret River, Busselton, Harvey, Manjimup, Nannup, Wagin.
Rhizomes spreading, hairy. Basal sheath glabrous, dull, striate. Culms terete, internal structure (at base of culm) solid, glabrous, striate, not marbled, not fasciculate. Culm 260-540 mm long. Sheaths (including blade) appressed throughout, dull, striate, glabrous, margins not translucent. Apex elongated, hairy. Dioecious (with separate male and female plants). Male and female inflorescences distinctly dissimilar, posture (male inflorescences only) Distinctly drooping, Culms unbranched below the inflorescence. Subtending bract Apex acute (?), acuminate to attenuate (?) or obtuse (?). Female spikelet 10-16 mm long. Subtending bract glabrous, margins thin and translucent, Apex obtuse. Outer bract 8-10.5 mm long. Perianth glabrous. 11-14 mm long. Inner bracts 12-14 mm long, glabrous, margins thin and translucent, Apex obtuse. Style one, arising centrally from the ovary apex. 10-12 mm long. Fruit indehiscent (nut). Flowering Time August, September or October. Botanical Province South-West, IBRA Bioregions Swan Coastal Plain, Avon Wheatbelt, 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/