Pine, an evergreen tree of great economic importance. Pines are conifers (cone-bearing trees) related to firs, cedars, larches, hemlocks, and araucarias. Pines make up the genus Pinus of the family Pinaceae. There are more than 90 recognized species, all native to the Northern Hemisphere. Most pines are found in areas with a temperate climate, but a few grow in mountainous tropical regions. About 30 species are native to the United States.
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