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Original source: Own work: http://www.cirrusimage.com/trees.htm
Author: Bruce Marlin

Korean Pine

It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves are in fascicles of five, with a deciduous sheath. They are 7 centimetres to 13 centimetres long. Korean Pine cones are 8 centimetres to 17 centimetres long, green or purple before maturity, ripening brown about 18 months after pollination. The 14 millimetres to 18 millimetres long seeds have only a vestigial wing and are dispersed by Spotted Nutcrackers.

Korean Pine differs from the closely related Siberian Pine in having larger cones with reflexed scale tips, and longer needles. The seeds are extensively harvested and sold as pine nuts, particularly in northeastern China; it is the most widely traded pine nut in international commerce. More

Korean pine needles grow in bundles of five. More