Fraxinus excelsior Totally Explained

Everything about Fraxinus Excelsior totally explained

Fraxinus excelsior (Ash; also European Ash or Common Ash on occasion to distinguish it from other ash species), is a species of Fraxinus native to most of Europe with the exception of northern Scandinavia and southern Iberia, and also southwestern Asia from northern Turkey east to the Caucasus and Alborz mountains. The northernmost location is in the Trondheimsfjord region of Norway. It is a large deciduous tree growing to 20-35 m (exceptionally to 46 m) tall with a trunk up to 2 m (exceptionally to 3.5 m) diameter, with a tall, domed crown. The bark is smooth and pale grey on young trees, becoming thick and vertically fissured on old trees. The shoots are stout, greenish-grey, with jet black buds. The leaves are 20-35 cm long, pinnate compound, with 7-13 leaflets, the leaflets 3–12 cm long and 0.8–3 cm broad, sessile on the leaf rachis, and with a serrated margin. The leaves are often among the last to open in spring, and the first to fall in autumn if an early frost strikes; they've no marked autumn colour, often falling dull green. The flowers open before the leaves, the female flowers being somewhat longer than the male flowers; they're dark purple, and without petals, and are wind-pollinated. Both male and female flowers can occur on the same tree, but it's more common to find all male and all female trees; a tree that's all male one year can produce female flowers the next, and similarly a female tree can become male. The fruit is a samara 2.5-4.5 cm long and 5–8 mm broad, often hanging in bunches through the winter; they're often called 'ash keys'.
It is readily distinguished from other species of ash in that it has black buds, unlike the brown or grey buds of most other ashes.

Ecology

Ash occurs on a wide range of soil types, but is particularly associated with basic soils on calcareous substrates. The most northerly ashwood in Britain is on limestone at Rassal, Wester Ross, latitude 57.4278 N.
A number of Lepidoptera use the species as a food source. See Lepidoptera which feed on ashes.

Uses

The resilience and rapid growth made it an important resource for smallholders and farmers. It was probably the most versatile wood in the countryside with wide-ranging uses. Until the Second World War the trees were often coppiced on a ten year cycle to provide a sustainable source of timber for fuel and poles for building and woodworking. The colour of the wood ranges from creamy white through light brown, and the heart wood may be darker olive-brown. Ash timber is hard, tough and very hard-wearing, with a coarse open grain. It lacks oak's natural resistance to decay, and isn't as suitable for posts buried in the ground. Because of its high flexibility, shock-resistance and resistance to splitting Ash wood is the traditional material for bows, tool handles, especially for hammers and axes, tennis rackets and snooker cues, although American hickory, from trees of the genus Carya arguably performs even better for these purposes. Ash is valuable as firewood because it burns well even when 'green' (freshly cut). Ash was coppiced, often in hedgerows, and evidence in the form of some huge boles with multiple trunks emerging at head height can still be see in parts of Britain. In Northumberland crab and lobster pots (traps) sometimes known as 'creeves' by local people are still made from ash sticks. Because of its elasticity European Ash wood was commonly used for walking sticks. Poles were cut from a coppice and the ends heated in steam. The wood could then be bent in a curved vice to form the handle of the walking stick. The light colour and attractive grain of ash wood make it popular in modern furniture such as chairs, dining tables, doors and other architectural features and hardwood flooring, although the wood is often popularly stained jet black.
Ash is exclusively used for the manufacture of hurleys, referred to as hurls in parts of Leinster and known as a camán in Irish, the timber sticks used in the game of hurling, the national sport of Ireland. Hurleys are manufactured from the butt log (bottom 1.5 metre of the stem) and from trees ideally of a diameter at breast height of approximately 25-30 centimetres. Only fast grown, straight and branch free ash can be used for this purpose. Due to the lack of available ash in Ireland, over 75% of the timber needed to produce the 350,000 hurleys required for the game annually, must be imported, mostly from eastern European countries. The importance of ash timber to the game of hurling is reflected in the fact that the game is referred to all over Ireland as "The Clash Of The Ash".

Cultivars

There are a number of cultivars including;

Fraxinus excelsior 'Aurea', see 'Jaspidea'
Fraxinus excelsior 'Aurea Pendula' (Weeping Golden Ash)
Fraxinus excelsior 'Autumn Blaze'
Fraxinus excelsior 'Autumn Purple'
Fraxinus excelsior 'Crispa'
Fraxinus excelsior 'Diversifolia' (One-leaved Ash)
Fraxinus excelsior 'Erosa'
Fraxinus excelsior 'Jaspidea' (Golden Ash)
Fraxinus excelsior 'Monophylla'
Fraxinus excelsior 'Nana'
Fraxinus excelsior 'Pendula' (Weeping Ash), one of the best known cultivars, widely planted during the Victorian era, it grows vigorously forming an attractive small to medium size tree with mounds of weeping branches.
Fraxinus excelsior 'Skyline'.

Further Information

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