Tree or (conifer), 30-40 m high, monoecious; leaves in threes, 8-15 cm long; cones with numerous scales; seeds winged. Fl. Sep to Oct. Near plantations.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P2, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs): Augusta Margaret River, Bridgetown-Greenbushes, Cockburn, Manjimup, Woodanilling.
Alternative Names. Monterey pine.
General Biology. Growth form. Tree. Reproduction. Seed. Dispersal. Wind, birds, water. Time to first flowering. 5+ years. Vegetative regeneration strategy. Does not resprout or produce root suckers. Woody structure. Non porous. Seedbank persistence. Short, days - 1 year. Fire response. Hot fire will kill mature trees, cooler fire will only kill younger trees. Following fire seed is released from cones and mass germination occurs in the post fire environment.
Additional information. Origin. North America (California), north-western Mexico. History of use/introduction. Commercial plantations.
Suggested method of management and control. Hand pull or dig out seedlings ensuring removal of main root. Fell mature plants below any branches. Monitor site for seedling recruitment. 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/