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Fraxinus americana, the white ash or American ash, is a fast-growing species of ash tree native to eastern and central North America. White ash trees are threatened by the invasive emerald ash borer .
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.
Alphitonia petriei, commonly known as the white ash, is a rainforest tree in the family Rhamnaceae from eastern and northern Australia. Other common names include red ash , white-leaf , pink almond and pink ash . [ 3 ]
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.
Oregon ash is intolerant of shade, and may eventually be replaced by more competitive trees such as bigleaf maples or conifers that block the light with their leaves or sheer size. This tree flourishes when its habitat become opened due to floods, blowdowns, or other disturbances. Oregon ash sprouts vigorously from cut stumps or fire-killed trees.
Native ash species, including white ash (pictured), have been declining rapidly this century due to predation by the emerald ash borer. [1]Silvics of North America (1991), [2] [3] a forest inventory compiled and published by the United States Forest Service, includes many hardwood trees.
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 ...
Fraxinus americana, a species of tree native to eastern and central North America; Fraxinus albicans, a species of tree native to eastern Texas and southern Oklahoma; Eucalyptus fraxinoides, a species of Australian tree