A conifer evergreen, perennial tree growing between 70 and 150 feet. Slender trunk with thin rigid bark; the wood is hard, brittle, and straight grained. The needle like leaves that form in twisted bundles of two. Flowers are orange-red cones blooming in clusters in May. ThThe small thin shell seeds are cone shaped, yellow-brown in color with sharp prickles, and reproduce well after fire, ripening in January and February. Grows best on moist, medium-textured soils. Used for lumber and other mill products and provide important cover for wildlife and range cattle. Adapted to high mountain slopes at elevations in the Middle to Northwestern United States.