The Shamel Ash tree is a great option. Be aware that there are other woody plants that have "ash" in their name (such as mountain ash and prickly ash), but are not of the genus Fraxinus, and so are not ash varieties at all. Fraxinus / ˈ f r æ k s ɪ n ə s /, English name ash, is a genus of flowering plants in the olive and lilac family, Oleaceae.It contains 45–65 species of usually medium to large trees, mostly deciduous, though a number of subtropical species are evergreen.The genus is widespread across … Looking for a fast growing shade tree in Phoenix? Narrow-leafed ash ( Fraxinus angustifolia) shoot with leaves Fraxinus / ˈ f r æ k s ɪ n ə s /, English name ash, is a genus of flowering plants in the olive and lilac family, Oleaceae.It contains 45–65 species of usually medium to large trees, mostly deciduous, though a number of subtropical species are evergreen.The genus is widespread across much of Europe, Asia, and North America. There are over 65 species of ash trees. The Shamel Ash is a great desert tree that can grow up to 40 feet in height. The Shamel Ash tree is a great option. Pest/Weed Considerations: Found on major islands; pest on Oahu and Malokai (Smith 1985). However, the more mature the tree gets, the more resistant to colder weather they become. They are deciduous trees and most the time will lose their leaves in the winter. Considered a pest on Oahu and Molokai (Smith 1985). Wikipedia lists many ash trees according to regions where they are found. STEWARDSHIP SUMMARY. Common Name: tropical ash, shamel ash, evergreen ash General Description: Tree of the olive family (Oleacea) reaching up to 25 m tall. This page was last edited on 8 December 2019, at 14:01. All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. Files are available under licenses specified on their description page.