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The Sitka spruce (Picea sitchensis) belongs to Pinaceae (the Pine family). It is a tall evergreen tree that is native to the west coast of North America, from Alaska south to northern California. Sitka spruce is the largest of all spruces. It commonly is 35-50 m tall and 1-1.5 m in diameter, but can be much larger. The bark is gray to brown and scaly on mature trees. The leaves are four-sited needles, about 2.5 cm long with sharp tips, and arranged in spirally. The fruits are oblong cones, 4-9 cm long, and borne near the top of the tree. The tree is also one of the most important tree species in British forests today. Its wood is used for everything from paper to musical instruments to shipbuilding.
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