High Quality Content by WIKIPEDIA articles! Fraxinus dimorpha is a species of ash tree native to Morocco and Algeria in Northern Africa. An example occurrence of F. dimorpha is the Ourika River Valley, which is also the sole location within the High Atlas Range where the endangered primate Barbary Macaque, Macaca sylvanus is known to occur. Fraxinus is a genus flowering plants in the olive and lilac family, Oleaceae. It contains 45-65 species of usually medium to large trees, mostly deciduous though a few subtropical species are evergreen. The tree's common English name, ash, goes back to the Old English aesc, while the generic name originated in Latin. Both words also meant "spear" in their respective languages. The leaves are opposite (rarely in whorls of three), and mostly pinnately compound, simple in a few species. The seeds, popularly known as keys or helicopter seeds, are a type of fruit known as a samara. Rowans or Mountain Ashes are unrelated to true ashes and belong to the Genus Sorbus though the leaves and buds are superficially similar.

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