Ailanthus

Ailanthus (/əˈlænθəs/; 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 (Mill.) Swingle (Tree of Heaven, syn. A. vilmoriniana Dode) – northern and central mainland China, Taiwan, considered invasive in North America and Britain.
Ailanthus excelsa Roxb. – India and Sri Lanka
Ailanthus fordii Noot. – China
Ailanthus integrifolia
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