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Male flowers Seeds of Fraxinus excelsior, popularly known as "keys" or "helicopter seeds", are a type of fruit known as a samara. It is a large deciduous tree growing to 12–18 m (39–59 ft) (exceptionally to 43 m or 141 ft) tall with a trunk up to 2 m (6.6 ft) (exceptionally to 3.5 m or 11 ft) diameter, with a tall, narrow crown. [2]
Fraxinus excelsior 'Hessei', also known as one-leaved ash [1] or simple-leaved ash, [2] is a cultivar of the Fraxinus excelsior species native to Europe and Western Asia. It is known for being vigorous, seedless, and pest resistant. [2] It is widely cultivated as a shade tree, having lustrous, dark-green foliage. [2]
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. The genus is widespread throughout much of Europe, Asia, and ...
Articles relating to Fraxinus excelsior (European ash) and its cultural importance. It is a flowering plant species in the olive family Oleaceae.It is native throughout mainland Europe east to the Caucasus and Alborz mountains, and Great Britain and Ireland, the latter determining its western boundary.
Species of ash galled, include white ash or American ash (Fraxinus americana), narrow-leafed ash (Fraxinus angustifolia & subsp. oxycarpa), Bunge's ash (Fraxinus bungeana), common ash (Fraxinus excelsior), manna ash (Fraxinus ornus), green ash or red ash (Fraxinus pennsylvanica). [6]
Common ash (Fraxinus excelsior), a deciduous broad-leaved tree In botany , a tree is a perennial plant with an elongated stem , or trunk , usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth , plants that are usable as lumber or plants above a ...
Phlyctis argena usually grows as a generalist epiphyte on the bark of deciduous trees, especially Salix cinerea and Fraxinus excelsior. It also occasionally grows on stone , such as gravestones. Ecology
Eggs are laid on the twigs of ash (Fraxinus excelsior) and manna ash (Fraxinus ornus) in June and July. [3] Larva. When fully fed the larvae are 12 mm long and the body is greenish, with the head brown with black spots. As a juvenile leaf miner, the body is yellowish with a black head and anal plate, and as a bark miner the body is whitish. [3 ...