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An endemic species is a plant only native to a certain area. Outside this area, unless spread naturally it is considered non-native, usually as a result of cultivation. Britain and Ireland have few endemic trees, most being micro-species of Whitebeam. But there are some interesting endemic trees nevertheless.
The Great British Trees were 50 trees selected by The Tree Council in 2002 to spotlight trees in the United Kingdom in honour of the Queen's Golden Jubilee. [1]
Tilia species are mostly large, deciduous trees, reaching typically 20 to 40 m (65 to 130 ft) tall, with oblique-cordate (heart-shaped) leaves 6 to 20 cm (2 + 1 ⁄ 4 to 7 + 3 ⁄ 4 in) across. As with elms , the exact number of species is uncertain, as many of the species can hybridise readily, both in the wild and in cultivation.
A bibliographic database of the species has been compiled by the Botanical Society of Britain and Ireland. [1] The lists (spread across multiple pages due to size) give an English name and a scientific name for each species, and two symbols are used to indicate status (e for extinct species, and * for introduced species).
[7] [8] The leaf and flower characteristics are intermediate between the two parent species, the leaf being more deeply lobed than P. occidentalis but less so than P. orientalis, and the seed balls typically two per stem (one in P. occidentalis, 3–6 in P. orientalis). The hybrid is fertile, and seedlings are occasionally found near mature trees.
Quercus robur is a deciduous tree up to 40 metres (130 ft) tall, [5] with a single stout trunk that can be as much as 11 m (36 ft) in girth (circumference at breast height) or even 14 m (46 ft) in pollarded specimens. Older trees tend to be pollarded, with boles (the main trunk) 2–3 m (6 + 1 ⁄ 2 –10 ft) long. These live longer and become ...
Britain's native tree flora comprises 32 species, of which 29 are broadleaves. The UK's industry and populace uses at least 50 million tonnes of timber a year. More than 75% of this is softwood, and British forests cannot supply the demand; in fact, less than 10% of the timber used in Britain is home-grown.
Brachychiton rupestris (commonly known as the narrow-leaved bottle tree or Queensland bottle tree) is a tree in the family Malvaceae, [a] endemic to Queensland, Australia. Described by Sir Thomas Mitchell and John Lindley in 1848, it earned its name from its bulbous trunk , which can be up to 3.5 metres (11 ft) in diameter at breast height (DBH).