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Pinus palustris P. Mill., longleaf pine, is found in the Atlantic and Gulf coastal plains from southeastern Virginia to central Florida and west to eastern Texas, and in the Piedmont region and Valley and Ridge province of Georgia and Alabama. Longleaf pine is a long-lived, native, evergreen conifer with scaly bark. Needles are in bundles of 3; they are shiny, dark green, and 8 to 15 inches long. Cones are 6 to 8 inches long. Mature trees attain a height of 100 to 120 feet and 2½ feet in diameter. Its seeds are the largest of all southern pines. It has extensive lateral roots and a taproot that grows 8 to 12 feet long.