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The leaves are arranged alternately along the twigs and are broadly oblong or ovate, 10–12 centimetres (4– 4 + 1 ⁄ 2 in) long by 7–8 cm (2 + 3 ⁄ 4 – 3 + 1 ⁄ 4 in) wide, with a short (typically 2–3 millimetres or 1 ⁄ 16 – 1 ⁄ 8 inch) petiole. They have a cordate (auricled) base and 3–6 rounded lobes, divided no further ...
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. Paper and paper products make up more than half the wood consumed in Britain by volume. [3] [9] [10]
Apocynaceae (/ ə ˌ p ɑː s ə ˈ n eɪ s i ˌ aɪ,-s iː ˌ iː /, from Apocynum, Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, [1] because some taxa were used as dog poison.
Trees are also typically defined by height, [4] with smaller plants from 0.5 to 10 m (1.6 to 32.8 ft) being called shrubs, [5] so the minimum height of a tree is only loosely defined. [4] Large herbaceous plants such as papaya and bananas are trees in this broad sense. [2] [6]
It is a deciduous tree growing to 15–20 m (49–66 ft) (rarely to 30 m or 98 ft) tall with a trunk up to 1 m (3 ft 3 in) diameter, though it can also be a shrub 2–3 m (6.6–9.8 ft) tall on exposed sites. The bark is brown, smooth on young trees, becoming fissured and flaky on old trees. The winter buds are green, with a sticky resinous ...
Krummholz Pinus albicaulis in Wenatchee National Forest Wind-sculpted krummholz trees, Ona Beach, Oregon. Krummholz (German: krumm, "crooked, bent, twisted" and Holz, "wood") — also called knieholz ("knee timber") — is a type of stunted, deformed vegetation encountered in the subarctic and subalpine tree line landscapes, shaped by continual exposure to fierce, freezing winds.
Ceiba is a genus of trees in the family Malvaceae, native to tropical and subtropical areas of the Americas (from Mexico and the Caribbean to northern Argentina) and tropical West Africa. [3] Some species can grow to 70 m (230 ft) tall or more, with a straight, largely branchless trunk that culminates in a huge, spreading canopy, and buttress ...
Thuja are evergreen trees growing from 10 to 200 feet (3 to 61 metres) tall, with stringy-textured reddish-brown bark. The shoots are flat, with side shoots only in a single plane. The leaves are scale-like and 1 to 10 mm (0.039 to 0.394 in) long, except young seedlings in their first year, which have needle-like leaves.