Blue Ash Fraxinus quadrangulata
Family: Oleaceae (Olive)
Branching: Opposite


This ash is rare in Canada.  Its twigs are very distinctive as they have four ridges running down the twig, giving it a square look.   


The angled twigs of Blue Ash.


Another view of the winter twig


Winter twig of Blue Ash


Lateral bud and leaf scar


Middle-aged bark


Older bark of Blue Ash




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copyright 2008 Josh Sayers
please email me with any questions, comments, or errors