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The pattern of branching in a tree will vary from species to species, as will the appearance of a plant as a tree, herb, or grass. Fourthly, plant morphology examines the pattern of development, the process by which structures originate and mature as a plant grows. While animals produce all the body parts they will ever have from early in their ...
Abies magnifica is a large evergreen tree typically up to 40–60 metres (130–200 ft) tall and 2 m (6 ft 7 in) trunk diameter, rarely to 76.5 m (251 ft) tall and 3 m (9 ft 10 in) diameter, with a narrow conic crown. The bark on young trees is smooth, grey, and has resin blisters
Many are also decorative garden trees, notably Korean fir and Fraser's fir, which produce brightly coloured cones even when very young, still only 1–2 m (3 ft 3 in – 6 ft 7 in) tall. Many fir species are grown in botanic gardens and other specialist tree collections in Europe and North America.
The bark on young trees is smooth, grey, and with resin blisters (which tend to spray when ruptured), becoming rough and fissured or scaly on old trees. The leaves are flat and needle-like, 15 to 30 mm ( 5 ⁄ 8 to 1 + 1 ⁄ 8 in) long, dark green above often with a small patch of stomata near the tip, and two white stomatal bands below, and a ...
Fraser fir has been used more times as the White House Christmas tree than any other tree. [citation needed] The Christmas decoration trade is a multimillion-dollar business in the southern Appalachians. North Carolina produces the majority of Fraser fir Christmas trees. [19]
Identification keys are sometimes also referred to as artificial keys to differential them from other diagrams that visualize a classification schemes, often in the form of a key or tree structure. These diagrams are called natural keys or synopses and are not used for identifying specimens. In contrast, an artificial identification key is a ...
The bark on young trees is smooth and gray with resin blisters, becoming red-brown, rough and fissured on old trees, usually less than 5 centimeters (2 in) thick; the inner bark is reddish. [5] The leaves are needle-like, 1–3.5 cm ( 1 ⁄ 2 – 1 + 1 ⁄ 2 in) long, glaucous blue-green above and below with strong stomal bands, and a blunt to ...
Leaves of cultivated tree at Birr Castle, Ireland. It is a large evergreen tree growing to 40–60 metres (130–200 ft) tall, and with a trunk diameter of up to 2–2.5 metres (6 ft 7 in – 8 ft 2 in). It has a conical crown with level branches. The shoots are greyish-pink to buff-brown, smooth and glabrous (hairless).