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A tall spruce (Picea sitchensis) of coastal Pacific regions from southern Alaska to northern California, having sharp flattened needles, thin bark, and cones with notched scales.
(Plants) a tall North American spruce tree, Picea sitchensis, having yellowish-green needle-like leaves: yields valuable timber
[C19: from Sitka]
a spruce, Piceasitchensis, of W North America, with long, silvery-white needles.