|Leaf: Evergreen needles, 1 1/2 to 3 inches long in fascicles of two, twisted, fascicle sheath present; yellow-green to green.
Flower: Species is monoecious; males are yellow, cylindrical and clustered at branch tips; females reddish purple at branch tips in the upper crown.
Fruit: Woody cone, 1 to 2 inches long, often asymmetrical and becoming lumpy near the base, apophysis armed with a short spine; light brown to brown; may remain closed for several years.
Twig: Orange-brown, turning darker with age, needles are persistent for several years; buds are narrowly ovoid, reddish brown and resinous.
Bark: Thin, typically grayish brown but can be very dark with many small close scales.
Form: Tall, slender trees with a narrow loose crown reaching up to 80 feet tall; some varieties which grow along the Pacific Coast are very short and scrubby.
Looks like: jack pine
- ponderosa pine
- Bishop pine