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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]
"Potentiates digitalis activity, increases coronary dilation effects of theophylline, caffeine, papaverine, sodium nitrate, adenosine and epinephrine, increase barbiturate-induced sleeping times" [3] Horse chestnut: conker tree, conker Aesculus hippocastanum: Liver toxicity, allergic reaction, anaphylaxis [3] Kava: awa, kava-kava [4] Piper ...
Fraxinus excelsior, known as the ash, or European ash or common ash to distinguish it from other types of ash, is a flowering plant species in the olive family Oleaceae. It is native throughout mainland Europe [ 2 ] east to the Caucasus and Alborz mountains, and west to Great Britain and Ireland , the latter determining its western boundary.
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.
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 ...
So far the fungus has mainly affected the European ash (Fraxinus excelsior) and its cultivars, but it is also known to attack the narrow-leafed ash (Fraxinus angustifolia). [28] The manna ash (Fraxinus ornus) is also a known host, although it is less susceptible than the other European ash species. [28]
Fraxinus angustifolia subsp. angustifolia has become a weed in many parts of Australia, where it is known as Desert Ash. It has been widely planted as a street and park tree, and has spread to native bushland and grasslands, as well as stream banks and drainage lines, out-competing native plants for moisture, light and nutrients.
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 ...