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The name white ash derives from the glaucous undersides of the leaves. It is similar in appearance to the green ash, making identification difficult.The lower sides of the leaves of white ash are lighter in color than their upper sides, and the outer surface of the twigs of white ash may be flaky or peeling.
Eucalyptus fraxinoides, commonly known as the white ash or white mountain ash, [2] is a medium-sized to tall tree of mountain country and is endemic to south eastern Australia. It has rough, compacted greyish bark on the lower trunk, smooth white bark with scribbles above, lance-shaped adult leaves, flower buds in groups of between seven and ...
European ash in flower Narrow-leafed ash (Fraxinus angustifolia) shoot with leaves. Fraxinus (/ ˈ f r æ k s ɪ n ə s /), commonly called ash, is a genus of plants in the olive and lilac family, Oleaceae, [4] and comprises 45–65 species of usually medium-to-large trees, most of which are deciduous trees, although some subtropical species are evergreen trees.
Eucalyptus oreades, commonly known as the Blue Mountains ash, white ash or smooth-barked mountain ash, [2] is a species of medium-sized to tall tree that is native to eastern Australia. It has smooth, powdery whitish bark with rough bark near the base, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup ...
white ash Oleaceae (olive family) 541 Fraxinus angustifolia: narrow-leafed ash Oleaceae (olive family) Fraxinus caroliniana: Carolina ash Oleaceae (olive family) 548
Emerald ash borer primarily infest and can cause significant damage to ash species including green ash (F. pennsylvanica), black ash , white ash (F. americana), and blue ash (F. quadrangulata) in North America. [24] In Europe, F. excelsior is the main ash species colonized, which is moderately resistant to emerald ash borer infestation.
Flower detail. Flindersia bourjotiana, commonly known as Queensland silver ash, northern silver ash, or white ash, [2] is a species of tree that is endemic to Queensland. It has pinnate leaves arranged in opposite pairs and with between four and eight narrow egg-shaped to elliptic leaflets, greenish white flowers arranged in panicles, and fruit studded with short, rough points.
The tropical ash was originally described as a variety of Fraxinus americana (white ash) by Theodor Wenzig in 1883 [5] and was separated as a different species in 1907 by Alexander von Lingelsheim. [6] The specific epithet uhdei refers to Carl Uhde, a German plant collector who explored Mexico in the 1840s. [7]