Mature plants are capable of producing thousands of

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sexual maturity within three years and can live for ten to fifteen years. Mature plants are capable of producing thousands of seeds annually that can remain dormant for up to eight years (Muyt 2001). Blue butterflybush is recognised as a threat to a number of vegetation communities on the Island including Melaleuca ericifolia swamp forest and Eucalyptus globulus King Island forest. 37. Blue periwinkle ( Vinca major ) Infestations can be found at Bell Hill, Cape Wickham Lighthouse and Currie. Periwinkle favours fertile soils and most reproduction in Australia appears to be King Island Biodiversity Management Plan 111
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vegetative. It forms dense intertwined mats that smother and exclude native vegetation (Muyt 2001). 38. Arum lily ( Zantedeschia aethiopica ) Infestations are found along roadsides, wet native remnants, near homesteads and in Pegarah State Forest. A common garden plant, that is known to be toxic to stock and humans, favouring damp soils and stream banks, becoming a serious weed. Seeds germinate readily, but do not remain viable from year to year (AWC 2008a). 39. Bristle poppy ( Papaver aculeatum ) Small infestations of bristle poppy are known from the northern sections of Lavinia State Reserve and to the north of Granite Lagoon on Crown land. 40. Winter cherry ( Solanum pseudocapsicum ) Winter cherry is known from a small infestation in paperbark swamp forest along the Pass River to the east of North Road. Winter cherry is a garden escapee that can invade damp sclerophyll forest and riparian vegetation. It is a weed of disturbed areas, rough pasture and along bushland edges (DPI 2008b). 41. Red ink-weed (Phytolacca octandra) Red ink-weed is known to be extensive along the lower reaches of the Fraser River, where it appears to have originated from a garden planting. The species is a native of Tropical America, has bird-dispersed fruit and has the potential to invade riparian vegetation (Walsh 1996). King Island Biodiversity Management Plan 112
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APPENDIX 5. SPECIES PROFILES Profiles for selected species rated a ‘very high’ or ‘high’ priority for management on King Island (Table 2) are provided. Further information can be obtained from: the DPIPWE website (threatened species under the TSP Act): , or the DSEWPaC Species Profile and Threats Database (for all species) . Seven flora profiles are provided, for ‘very high’ or ‘high’ priority species with sufficient data. These are in alphabetical order by scientific name: Cyathea cunninghamii , Cyathea x marcescens , Hypolepis distans , Pimelea axiflora , Pneumatopteris pennigera , Pterostylis cucullata and Tmesipteris parva . Five high priority flora species, Australina pusilla subsp. muelleri , Callitriche sonderi , Gratiola pubescens, Senecio psilocarpus and Thelymitra malvina , are considered ‘data deficient’ (Appendix 3).
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