Pinus can be shrubs or large, evergreen trees, some species with attractive bark, developing an irregular outline with age and bearing long needle-like leaves in bundles of 2, 3 or 5; conspicuous cones may fall or remain on the tree for years
P. coulteri is a large evergreen tree with a broad, open crown. Stout shoots bear thick, blue-grey needles up to 35cm long, in bundles of three. Massive pale brown cones to 30cm long, with a spine on each scale