Rhizomatous, perennial, herb (sedge-like), 0.2-1.5 m high. Fl. Jul to Oct. White, red or lateritic sand, limestone. Dry habitats, along stream margins.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Fitzgerald, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.
IMCRA Regions: Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs): Albany, Augusta Margaret River, Beverley, Bridgetown-Greenbushes, Busselton, Canning, Capel, Cockburn, Collie, Cranbrook, Dardanup, Denmark, Donnybrook-Balingup, Esperance, Gingin, Gnowangerup, Harvey, Jerramungup, Joondalup, Kwinana, Mandurah, Manjimup, Melville, Murray, Nannup, Narrogin, Nedlands, Perth, Plantagenet, Ravensthorpe, Rockingham, Serpentine-Jarrahdale, South Perth, Stirling, Swan, Wanneroo, York.
Rhizomes spreading, hairy. Basal sheath glabrous, glossy, striate. Culms terete, internal structure (at base of culm) solid, hairy, not striate, not marbled, not fasciculate. Culm 180-350 mm long. Sheaths (including blade) appressed throughout, dull, striate, glabrous, margins not translucent. Apex elongated or recurved, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms branched below the inflorescence. Male spikelet 4-6 mm long. Subtending bract hairy, Outer bract 2.5-3.8 mm long, margins thin and translucent, Apex acuminate to attenuate. Perianth glabrous. 3-3.3 mm long. Inner bract hairy, margins firm and opaque, Apex acuminate to attenuate. Inner bract 2.2-3.2 mm long. Filament 2-3.5 mm long. Anther 1-1.2 mm long. Female spikelet 4-5 mm long. Subtending bract glabrous, margins thin and translucent, Apex acuminate to attenuate. Outer bract 4 mm long. Perianth glabrous. 3.2-4 mm long. Inner bracts 2.5-3.5 mm long, glabrous, margins thin and translucent, Apex acuminate to attenuate. Style one, arising centrally from the ovary apex. 3.2-3.5 mm long. Fruit indehiscent (nut). Flowering Time July, August, September or October. Botanical Province South-West, IBRA Bioregions Swan Coastal Plain, Avon Wheatbelt, Jarrah Forest, 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/