Everything about Fraxinus Angustifolia totally explained
Fraxinus angustifolia (
Narrow-leafed Ash) is a species of
Fraxinus native to central and southern
Europe, northwest
Africa, and southwest
Asia.
It is a medium-sized
deciduous tree growing to 20-30 m tall with a trunk up to 1.5 m diameter. The
bark is smooth and pale grey on young trees, becoming square-cracked and knobbly on old trees. The
buds are pale brown, which readily distinguishes it from the related
Fraxinus excelsior (black buds) even in winter. The
leaves are in opposite pairs or whorls of three, pinnate, 15-25 cm long, with 3-13 leaflets; the leaflets being distinctively slender, 3-8 cm long and 1-1.5 cm broad. The
flowers are produced in
inflorescences which can be male, hermaphrodite or mixed male and hermaphrodite. The male and hermaphrodite flowers occur on all individuals, for example all trees are functionally hermaphrodite. Flowering occurs in early spring. The
fruit when fully formed is a
samara 3-4 cm long, the seed 1.5-2 cm long with a pale brown wing 1.5-2 cm long.
There are two
subspecies, treated as distinct species by some authors:
[
]- Fraxinus angustifolia subsp. angustifolia. Western Europe north to France, northwest Africa. Leaves with 7–13 leaflets; leaflets hairless beneath.
- Fraxinus angustifolia subsp. oxycarpa (M.Bieb. ex Willd.) Franco & Rocha Afonso (syn. F. oxycarpa M.Bieb. ex Willd.). Caucasian Ash. Eastern Europe north to the Czech Republic, southwest Asia east to northern Iran. Leaves with 3–9 leaflets; leaflets with white hairs on the lower half of the midribs.
The cultivar 'Raywood', derived from subsp. oxycarpa, is very commonly planted as an ornamental tree in temperate regions; it has notable autumn colour, but has the major drawback of very brittle branches.
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