Pinus aristata, Bristlecone Pine

Size: tree, 8-20' average height at maturity, irregular spread up to 40'

Leaves: evergreen, 5 needles per fascicle, 1-1.75", leaf sheaths curl back, dark green with whitish spots of resin

Twigs: light orange

Flowers: monoecious

Fruit: cones brown, 2-4" long, cylindrical-ovoid, 1.5" broad, bristle-like prickle at edge of each scale

Bark: gray, green, smooth when young, rust-colored, fissured with age