Scrambling, prickly shrub or climber, to 3(-8) m high. Fl. cream-yellow/pink-purple/orange-red, Jan to Mar or Jun to Sep. Sandy soils. Moist areas.
Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.
IBRA Regions: Carnarvon, Coolgardie, Dampierland, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Victoria Bonaparte.
IBRA Subregions: Cape Range, Eastern Goldfield, Geraldton Hills, Perth, Pindanland, Southern Jarrah Forest, Victoria Bonaparte P1.
IMCRA Regions: Canning, Kimberley.
Local Government Areas (LGAs): Albany, Bassendean, Broome, Cambridge, Coolgardie, Cottesloe, Exmouth, Gosnells, Greater Geraldton, Melville, Murray, Northampton, South Perth, Waroona, Wyndham-East Kimberley.
General Biology. Growth form. Shrub. Reproduction. Seed, root suckers, stem layering. Dispersal. Birds, mammals, water, garden refuse. Time to first flowering. 2+ years. Vegetative regeneration strategy. Resprouts and produces root suckers, stem layering. Seedbank persistence. 3 -10 years, depending on soil conditions. Fire response. Plants may resprout after a cool burn, hot fire can kill plants.
Notes. Increases total soil nitrogen and nitrogen availability. Has allelopathic properties. Flowers in a range of colours. A major weed pest of 60 countries and is considered one the world's ten worst weeds. Biological control agents have been released in Australia. Naturalised populations have originated from various cultivated hybrids.
Additional information. Origin. Tropical South America, Mexico, Central America, the Caribbean. History of use/introduction. Garden escape. Similar exotic species. Lantana montevidensis.
Suggested method of management and control. Apply 250 ml Access® in 15 L of diesel to base 50 cm of stems (basal bark) or foliar spray with 1.5% glyphosate. In some situations fire could be a useful tool to remove biomass, but follow up herbicide control will be required. 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/