Ailanthus Ailanthus altissima
Family: Simaroubaceae (Quassia)
Branching: Alternate
Other names: Tree-of-heaven
This introduced tree is often found in cities, where it can sometimes
spread like a weed. It is usually quite distinctive. Its
twigs most closely resemble Coffee-tree or Smooth Sumac, but after a
few individuals are seen, they become less confusing. Black Walnut and Butternut can also look similar, but their chambered pith and naked buds will always separate them.
The stout twig of Ailanthus
Lateral bud.
Young bark has a very distinctive look
Notice how Ailanthus lacks a prominent end bud
Pith is spongy and tannish orange.
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© 2007 Josh Sayers
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