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''Casuarina equisetifolia'' or Australian pine tree is a she-oak species of the genus ''Casuarina''. The native range extends from Burma and Vietnam throughout Malesia east to French Polynesia, New Caledonia, and Vanuatu, and south to Australia (north of Northern Territory, north and east Queensland, and north-eastern New South Wales). Populations are also found in Madagascar, but it is doubtful if this is within the native range of the species.〔http://www.worldagroforestrycentre.org/sea/Products/AFDbases/AF/asp/SpeciesInfo.asp?SpID=477〕 The species has been introduced to the Southern United States and West Africa.〔(【引用サイトリンク】url=http://www.unep.org/pdf/BTC_Booklet.pdf )〕 It is an invasive species in Florida and South Africa.〔(【引用サイトリンク】title=SANBI:Declared Weeds & Invader Plants )〕 ==Taxonomy== ''Casuarina equisetifolia'' was officially described by Linnaeus in 1759 as ''Casuarina equisefolia''. A type was designated by New South Wales botanist Lawrie Johnson in 1989. The specific name ''equisetifolia'' is derived from the Latin ''equisetum'', meaning "horse hair" (referring to the resemblance of the drooping branchlets to horse tail).〔 Common names include coast sheoak (coast she oak, coastal she-oak), beach casuarina, beach oak, beach sheoak (beach she-oak), whistling tree, horsetail she oak, horsetail beefwood, horsetail tree, Australian pine, ironwood, whistling pine, Filao tree, and agoho.〔〔〔(【引用サイトリンク】url=http://www.worldagroforestrycentre.org/Sea/Products/AFDbases/AF/asp/SpeciesInfo.asp?SpID=477 )〕 There are two subspecies:〔(【引用サイトリンク】url=http://www.anbg.gov.au/cgi-bin/apni?taxon_name=Casuarina%25 )〕 *''Casuarina equisetifolia'' subsp. ''equisetifolia''. Large tree to tall; twigs diameter, hairless. Southeast Asia, northern Australia. *''Casuarina equisetifolia'' subsp. ''incana'' (Benth.) L.A.S.Johnson. Small tree to tall; twigs diameter, downy. Eastern Australia (eastern Queensland, New South Wales), New Caledonia, southern Vanuatu. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Casuarina equisetifolia」の詳細全文を読む スポンサード リンク
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