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''Ailanthus'' (;〔''Sunset Western Garden Book,'' 1995:606–607〕 derived from ''ailanto,'' an Ambonese word probably meaning "tree of the gods" or "tree of heaven") is a genus of trees belonging to the family Simaroubaceae, in the order Sapindales (formerly Rutales or Geraniales). The genus is native from east Asia south to northern Australasia. ==Selected species== The number of living species is disputed, with some authorities accepting up to ten species, while others accept six or fewer. Species include: *''Ailanthus altissima'' (Tree of Heaven, syn. ''A. vilmoriniana'' ) – northern and central mainland China, Taiwan, considered invasive in North America and Britain. *''Ailanthus excelsa'' – India and Sri Lanka *''Ailanthus fordii'' – China *''Ailanthus integrifolia'' – New Guinea and Queensland, Australia *''Ailanthus triphysa'' (White Siris syn. ''A. malabarica'') – northern and eastern Australia. *''Ailanthus vietnamensis'' – Vietnam There is a good fossil record of ''Ailanthus'' with many species names based on their geographic occurrence, but almost all of these have very similar morphology and have been grouped as a single species among the three species recognized: *''Ailanthus tardensis'' – From a single locality in Hungary *''Ailanthus confucii'' – Tertiary period, Europe, Asia, and North America *''Ailanthus gigas'' – From a single locality in Slovenia 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「ailanthus」の詳細全文を読む スポンサード リンク
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