Merriam-Webster Collegiate Dictionary - lodgepole pine

 noun  Date: 1859 any of several pines of western North America with needles in pairs and short ovoid usually asymmetric cones: as  a. a small chiefly coastal pine (Pinus contorta var. contorta) with thick deeply furrowed bark and hard strong coarse-grained medium-light wood  b. a tall straight pine (P. contorta var. latifolia) with thin and little furrowed bark and soft weak fine-grained lightweight wood