Dioecious rhizomatous, perennial, herb, 0.15-0.3 m high. Fl. brown, Sep to Nov (and possibly later). White or grey peaty sand. Swamps.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P2, Eastern Mallee, Fitzgerald, Perth, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions: WA South Coast.
Local Government Areas (LGAs): Albany, Augusta-Margaret River, Bunbury, Busselton, Claremont, Cranbrook, Denmark, Donnybrook-Balingup, Esperance, Gnowangerup, Harvey, Jerramungup, Kent, Kulin, Lake Grace, Manjimup, Nannup, Plantagenet, Ravensthorpe.
Rhizomes spreading, glabrous. Basal sheath glabrous, glossy, striate. Culms terete, internal structure (at base of culm) solid, hairy, striate, not marbled, not fasciculate. Culm 120-300 mm long. Sheaths (including blade) appressed throughout, dull, striate, glabrous, margins not translucent. Apex finely pointed, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences distinctly dissimilar, posture (male inflorescences only) Distinctly drooping, Culms branched below the inflorescence. Male spikelet 6-13 mm long. Subtending bract glabrous, Outer bract 2-4.6 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth glabrous. 2-2.5 mm long. Inner bract glabrous, margins firm and opaque, Apex acuminate to attenuate. Inner bract 2.5-3 mm long. Filament 0.3-0.5 mm long. Anther 1-1.2 mm long. Female spikelet 8-14 mm long. Subtending bract glabrous, margins firm and opaque, Apex acuminate to attenuate. Outer bract 4-6 mm long. Perianth glabrous. 9-12 mm long. Inner bracts 8-8.5 mm long, glabrous, margins firm and opaque, Apex acute. Style one, arising centrally from the ovary apex. 9-11 mm long. Fruit indehiscent (nut). Flowering Time September, October or November. Botanical Province South-West, IBRA Bioregions Swan Coastal Plain, Avon Wheatbelt, Jarrah Forest, Mallee, Warren or Esperance.
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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/