Twining, scandent, rampant herb or climber. Fl. blue-purple, Nov to Dec or Jan to May. Grown in gardens, apparently naturalised.
Beard’s Provinces: Eremaean Province, South-West Province.
IBRA Regions: Gascoyne, Geraldton Sandplains, Swan Coastal Plain, Warren.
IBRA Subregions: Augustus, Dandaragan Plateau, Geraldton Hills, Perth, Warren.
Local Government Areas (LGAs): Augusta-Margaret River, Bassendean, Bayswater, Bunbury, Cambridge, Dandaragan, Denmark, Gingin, Greater Geraldton, Harvey, Melville, Upper Gascoyne, Victoria Park.
General Biology. Growth form. Vine. Reproduction. Stolons, stem fragmentation and rooting. Dispersal. Water, garden refuse, animals, machinery. Time to first flowering. 1-2 years. Toxicity. Suspected to be toxic to livestock and humans. Vegetative regeneration strategy. coppices/resprouts,stem layering.
Notes. Smothers vegetation. Slashed stems can resprout.
Additional information. Origin. India, tropical Asia, tropical Central and South America. History of use/introduction. Garden escape. Similar exotic species. Ipomoea cairica, Ipomoea purpurea, Ipomoea hederacea.
Suggested method of management and control. Hand remove all stems in contact with the ground, severe vines at base and leave to dry in canopy then dig out roots; scrape and paint stem - 20-50% glyphosate, alternatively, cut vine at chest height and lie lower sections of the ground before applying 1.5 %glyphosate over them; monitor for 1 year following removal. 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.