(n) a small two-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales, Syn. Pinus pungens, hickory pine, prickly pine
(n) tall pine of western North America with stout blue-green needles; bark is grey-brown with rectangular plates when mature, Syn. Pinus monticola, silver pine, mountain pine