Rhizomatous, monoecious, emergent perennial, herb, 1.5-3 m high. Fl. brown, May to Sep. Clay or sand substrate. Freshwater swamps, creeks or rivers.
Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Carnarvon, Central Kimberley, Central Ranges, Coolgardie, Dampierland, Esperance Plains, Gascoyne, Geraldton Sandplains, Great Sandy Desert, Jarrah Forest, Mallee, Murchison, Northern Kimberley, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Victoria Bonaparte, Warren.
IBRA Subregions: Ashburton, Avon Wheatbelt P2, Cape Range, Chichester, Eastern Murchison, Fitzgerald, Fitzroy Trough, Fortescue, Geraldton Hills, Hamersley, Lesueur Sandplain, Mackay, Mann-Musgrave Block, McLarty, Mitchell, Northern Jarrah Forest, Ord, Ord-Victoria Plains P1, Pentecost, Perth, Pindanland, Recherche, Southern Cross, Victoria Bonaparte P1, Warren, Western Mallee, Wooramel.
IMCRA Regions: Kimberley.
Local Government Areas (LGAs): Ashburton, Augusta Margaret River, Broome, Canning, Carnarvon, Chittering, Cockburn, Coorow, Dandaragan, Derby/west Kimberley, East Pilbara, Esperance, Exmouth, Gosnells, Halls Creek, Harvey, Karratha, Kent, Manjimup, Menzies, Mingenew, Moora, Narrogin, Ngaanyatjarraku, Ravensthorpe, Sandstone, Shark Bay, Three Springs, Wagin, Wanneroo, Wongan-Ballidu, Wyndham-East Kimberley, Yilgarn.
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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/