Fraxinus latifolia Benth. (western N Am.) – An exceptional escape from cultivation. A single tree was discovered in Seraing (Liège) on the border of river Meuse in 2008.
This species belongs to the Pennsylvanica Group and is distinguished from Fraxinus pennsylvanica by leaflets that have shorter petioles and an acute rather than acuminate apex.
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Selected literature:
Nesom G.L. (2014) Phylogeny of Fraxinus sect. Melioides (Oleaceae): Review and an alternative hypothesis. Phytoneuron 2014-95: 1-9. [available online at: http://phytoneuron.net/2014Phytoneuron/95PhytoN-FraxinusCommentary.pdf]
Taxonomic name: