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|European Beech (Fagus sylvatica), leaves and cupules|
Fagus crenata – Japanese Beech
Beech (Fagus) is a genus of eleven accepted species of deciduous trees in the family Fagaceae, native to temperate Europe, Asia and North America. F. sylvatica is the most commonly cultivated, although there are few important differences between species aside from detail elements such as leaf shape. Beeches are large trees that may exceed 35 meters in height and 1.5 metres in diameter at breast height.
The southern beeches (Nothofagus genus) previously thought closely related to beeches, are now treated as members of a separate family, Nothofagaceae. They are found in Australia, New Zealand, New Guinea, New Caledonia, Argentina and Chile (principally Patagonia and Tierra del Fuego).
The leaves of beech trees are entire or sparsely toothed, from 5–15 cm long and 4–10 cm broad. Beeches are monoecious, bearing both male and female flowers on the same plant. The small flowers are unisexual, the female flowers borne in pairs, the male flowers wind-pollinating catkins. They are produced in spring shortly after the new leaves appear. The bark is smooth and light grey. The fruit is a small, sharply three–angled nut 10–15 mm long, borne singly or in pairs in soft-spined husks 1.5–2.5 cm long, known as cupules. The nuts are edible, though bitter (though not nearly as bitter as acorns) with a high tannin content, and are called beechnuts or beechmast. They often fail to fill in, especially on solitary trees.
Beech grows on a wide range of soil types, acidic or basic, provided they are not waterlogged. The tree canopy casts dense shade, and carpets the ground with dense leaf litter.
The beech blight aphid (Grylloprociphilus imbricator) is a common pest of American beech trees. Beeches are also used as food plants by some species of Lepidoptera (see list of Lepidoptera that feed on beeches).
Beech bark is extremely thin and scars easily. Since the beech tree has such delicate bark, carvings, such as lovers' initials and other forms of graffiti, remain because the tree is unable to heal itself.
Beech wood is an excellent firewood, easily split and burning for many hours with bright but calm flames. Chips of beech wood are used in the brewing of Budweiser beer as a fining agent. Beech logs are burned to dry the malts used in some German smoked beers, giving the beers their typical flavor. Beech is also used to smoke Westphalian ham, various sausages, and some cheeses.
The European species Fagus sylvatica yields a utility timber that is tough but dimensionally unstable. It weighs about 720 kg per cubic metre and is widely used for furniture framing and carcass construction, flooring and engineering purposes, in plywood and in household items like plates, but rarely as a decorative wood. The timber can be used to build chalets, houses and log cabins.
The fruit of the beech tree is known as beechnuts or mast and is found in small burrs that drop from the tree in autumn. It is small, roughly triangular and edible, with a bitter, astringent taste. They have a high enough fat content that they can be pressed for edible oil. Fresh from the tree, beech leaves are a fine salad vegetable, as sweet as a mild cabbage though much softer in texture. The young leaves can be steeped in gin for several weeks, the liquor strained off and sweetened to give a light green/yellow liqueur called beechleaf noyau.
Beech wood tablets were a common writing material in Germanic societies before the development of paper. The Old English bōc and Old Norse bók both have the primary sense of “beech” but also a secondary sense of “book”, and it is from bōc that the modern word derives. In modern German, the word for “book” is Buch, with Buche meaning “beech tree”. In Swedish, these words are the same, bok meaning both “beech tree” and “book”.
As an ornamental 
The beech most commonly grown as an ornamental tree is the European Beech (Fagus sylvatica), widely cultivated in North America as well as its native Europe. Many varieties are in cultivation, notably the weeping beech F. sylvatica 'Pendula', several varieties of Copper or purple beech, the fern-leaved beech F. sylvatica 'Asplenifolia', and the tricolour beech F. sylvatica 'roseomarginata'. The strikingly columnar Dawyck beech (F. sylvatica 'Dawyck') occurs in green, gold and purple forms, named after Dawyck Botanic Garden in the Scottish Borders, one of the four garden sites of the Royal Botanic Garden Edinburgh.
In Britain and Ireland 
Beech was a late entrant to Great Britain after the last glaciation, and may have been restricted to basic soils in the south of England. The beech is classified as a native in the south of England and as a non-native in the north where it is often removed from 'native' woods. Large areas of the Chilterns are covered with beech woods, which are habitat to the Common Bluebell and other flora. The Cwm Clydach National Nature Reserve in southeast Wales was designated for its beech woodlands which are believed to be on the western edge of their natural range in this steep limestone gorge.
Beech is not native to Ireland; however, it was widely planted from the 18th century, and can become a problem shading out the native woodland understory. The Friends of the Irish Environment say that the best policy is to remove young, naturally regenerating beech while retaining veteran specimens with biodiversity value.
There is a campaign by Friends of the Rusland Beeches and South Lakeland Friends of the Earth launched in 2007 to reclassify the beech as native in Cumbria. The campaign is backed by Tim Farron MP who tabled a motion on 3 December 2007 regarding the status of beech in Cumbria.
Today, beech is widely planted for hedging and in deciduous woodlands, and mature, regenerating stands occur throughout mainland Britain below about 650 m. The tallest and longest hedge in the world (according to the Guinness World Records) is the Meikleour Beech Hedge in Meikleour, Perth and Kinross, Scotland.
The common European beech (Fagus sylvatica) grows naturally in Denmark and southern Norway and Sweden up to about the 57:th – 59:th northern latitude. The most northern known naturally growing (not planted) beech trees are found in a few very small forests around the city of Bergen on the west coast of Norway with the North Sea nearby. Near the city of Larvik is the largest naturally occurring beech forest in Norway. Planted beeches are grown much farther north along the Norwegian coast.
As a naturally growing forest tree, it marks the important border between the European deciduous forest zone and the northern pine forest zone. This border is important for both wildlife and fauna and is a sharp line along the Swedish western coast, which gets broader toward the south. In Denmark and the most southern Swedish county, Skåne, it is the most populous of all forest trees. In Norway, the beech migration very recent, and the species has not reached its distribution potential. Thus, the occurrence of oak in Norway is used as an indicator of the border between the temperate deciduous forest and the boreal spruce – pine forest.
See also 
- Beech bark disease
- Beech blight aphid
- English Lowlands beech forests
- Primeval Beech Forests of the Carpathians and the Ancient Beech Forests of Germany
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|Wikimedia Commons has media related to: Fagus|
|Look up beech in Wiktionary, the free dictionary.|
- "WCSP". World Checklist of Selected Plant Families – Fagus.
- Beech Tree Collection – Photo Gallery of Beech Trees in The Hamptons, NY
- Flora of China – Fagus
- Flora of North America – Fagus
- Eichhorn, Markus (October 2010). "The Beech Tree". Test Tube. Brady Haran for the University of Nottingham.