Trees

The definition of a tree accepted by science and the forestry industry is “A woody plant (arboreal perennial) usually with a single columnar stem capable of reaching six metres in height”. Less than six metres (21ft) of potential height is regarded as a shrub.This definition is not absolute; gardeners contest the height threshold, some preferring five metres (17ft) and others choosing a threshold of three metres (13ft). It is likely that bonsai enthusiasts would entirely dismiss any figures sugg

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