A Californian pine with long grey-green needles in bundles of three. Its sparse crown and large, spine-tipped cones give it a distinctive appearance.

Listed size: about 12–15 m, exceptionally taller. Flowering or reproductive structures: cones; no true flowers. These describe the taxon, rather than a measurement of the particular plant in Prague.

Lifespan: A numerical lifespan range is not established by the references used.