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Scots fir

Scots pine
Pinus sylvestris Glenmuick.jpg
Native Scots pine at Glenmuick, Scotland
Scientific classification
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: Pinus
Species: P. sylvestris
Binomial name
Pinus sylvestris
L.
Pinus sylvestris range-01.png
Distribution

Scots pine (Pinus sylvestris L.) is a species of pine that is native to Eurasia, ranging from Western Europe to Eastern Siberia, south to the Caucasus Mountains and Anatolia, and north to well inside the Arctic Circle in Scandinavia. In the north of its range, it occurs from sea level to 1,000 m (3,300 ft), while in the south of its range it is a high altitude mountain tree, growing at 1,200–2,600 m (3,900–8,500 ft) altitude. It is readily identified by its combination of fairly short, blue-green leaves and orange-red bark.

The species is mainly found on poorer, sandy soils, rocky outcrops, peat bogs or close to the forest limit. On fertile sites, Scots pine is out-competed by other, usually spruce or broad-leaved tree species.

It is the national tree of Scotland.

Pinus sylvestris is an evergreen coniferous tree growing up to 35 m in height and 1 m trunk diameter when mature, exceptionally over 45 metres (148 ft) tall and 1.7 metres (5 ft 7 in) trunk diameter on very productive sites, the tallest on record being a more than 210-year-old tree growing in Estonia which stands at 46.6 m (152 ft 11 in).

The bark is thick, scaly dark grey-brown on the lower trunk, and thin, flaky and orange on the upper trunk and branches. The habit of the mature tree is distinctive due to its long, bare and straight trunk topped by a rounded or flat-topped mass of foliage. The lifespan is normally 150–300 years, with the oldest recorded specimens in Lapland, Northern Finland over 760 years.

The shoots are light brown, with a spirally arranged scale-like pattern. On mature trees the leaves ('needles') are a glaucous blue-green, often darker green to dark yellow-green in winter, 2.5–5 cm (1–2 in) long and 1–2 mm (132332 in) broad, produced in fascicles of two with a persistent grey 5–10 mm (1438 in) basal sheath. On vigorous young trees the leaves can be twice as long, and occasionally occur in fascicles of three or four on the tips of strong shoots. Leaf persistence varies from two to four years in warmer climates, and up to nine years in subarctic regions. Seedlings up to one year old bear juvenile leaves; these are single (not in pairs), 2–3 cm (341 14 in) long, flattened, with a serrated margin.


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Wikipedia

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