Erect, spindly shrub or tree (-like), 1-6 m high. Fl. yellow, Mar or May or Aug to Dec. Sand, clay or clay loam.
Beard’s Provinces: Eremaean Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Carnarvon, Coolgardie, Esperance Plains, Geraldton Sandplains, Hampton, Murchison, Nullarbor, Swan Coastal Plain.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Cape Range, Central band, Nullarbor Plain, Eastern Goldfield, Geraldton Hills, Hampton, Perth, Recherche, Southern Cross, Western Murchison, Wooramel.
IMCRA Regions: Central West Coast, Leeuwin-Naturaliste.
Local Government Areas (LGAs): Bayswater, Chittering, Cockburn, Coolgardie, Dundas, Esperance, Exmouth, Greater Geraldton, Irwin, Kalgoorlie-Boulder, Meekatharra, Mosman Park, Northam, Northampton, Perth, Rockingham, Shark Bay, South Perth, Stirling, Wongan-Ballidu, Yilgarn.
General Biology. Growth form. Shrub. Reproduction. Seed. Dispersal. Water, animals. Time to first flowering. 1 year. Toxicity. Toxic to livestock and humans. Vegetative regeneration strategy. Can resprout. Seedbank persistence. Possibly 1-5 years. Fire response. Generally killed by fire.
Notes. Can hybridise with native Nicotiana species. Prolific after flooding events. Under drought conditions will die back but will resprout as soon as water becomes available.
Additional information. Origin. Argentina. History of use/introduction. Garden escape.
Suggested method of management and control. Manual removal small infestations, ensuring removal of all root material. Use cut stump application of 50% glyphosate or apply 250 ml Access® in 15 L of diesel to basal 50 cm of stem (basal bark). Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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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/