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Fraxinus pennsylvanica is a medium-sized deciduous tree reaching 12–25 metres (39–82 feet) (rarely to 45 m or 148 ft) tall with a trunk up to 60 centimetres (24 inches) in diameter. The bark is smooth and gray on young trees, becoming thick and fissured with age.
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.
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 .
Ash – Fraxinus spp. Black ash – Acer negundo, Fraxinus nigra; Blue ash – Fraxinus quadrangulata; Cane ash – Fraxinus americana; European ash – Fraxinus excelsior [1] Green ash – Fraxinus pennsylvanica lanceolata; Maple ash – Acer negundo; Red ash – Fraxinus pennsylvanica lanceolata; River ash – Fraxinus pennsylvanica
Fraxinus caroliniana, native to the southeastern United States and Cuba; Fraxinus nigra, native to the northeastern United States and eastern Canada; Fraxinus pennsylvanica, broadly distributed in North America east of the Rocky Mountains; As of 2020, climate change is creating a shortage of swamp ash suitable for making electric guitars. [2]
This page alphabetically lists some known plant species occurring in the US state of Pennsylvania.Currently about 2,100 native and 1,300 non-native plant species are known in Pennsylvania. [1]
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Mites form numerous capsule galls, greenish-yellow in color, between leaf veins of Ash trees in the genus Fraxinus, including Fraxinus americana, Fraxinus latifolia, Fraxinus nigra, and Fraxinus pennsylvanica. [3] [4] The mites stay in the galls until late summer when host leaves mature. [5]: 50 The life cycle is a form of alternation of ...