This tree is medium sized reaching 70 to 80 ft. in height and 1 1/2 to 2 ft. in dbh.

 Length: 1-3″ long

 Shape: often twisted; stout; bright yellow-green

The bark is thin, usually grayish-brown with many small, close scales.

The cones are serotinous and are often asymmetrical and lumpy at base. The apophysis is armed with a short spine.

This species needles occur in fascicles of two, the cones are serotinous and lumpy at the base. It is also found between 6,000 and 10,000 ft. in elevation.

This species is found between 6,000 and 11,000 ft. Mainly occurring in the Rocky Mountains with scattered pockets in the Sierra Nevada Mountains.

This species is intolerant and is adapted to a variety of soil types.

This species was first used by Native Americans as wigwam poles where consequently its name was derived. However, this species is not browsed by wildlife but does provide habitat.