Pinus jeffreyi Pinaceae
Jeffrey Pine, Bull Pine, Western Yellow Pine
- Conifer, evergreen, large, 80 to 140 ft (24-43 m) high, straight crown, open, spreading branches.
Bark purplish-brown, thick, furrowed into narrow, scaly plates. The crushed twigs have a
pleasant odor, some liken the scent to lemons and vanilla, others to violets, pineapple, or apples.
Needles are in bundles of 3, occasionally 2, 5 to 11 inches (13-28 cm) long, dark blue-green, often
twisted, persisting 5 to 8 years. Female cones, large, 6 to 10 inches (15-25 cm) long, conical
or egg-shaped, almost stalkless, cone scales have a prominent recurved prickle.
- Sun. Best in well-drained, gravelly to sandy, moist soil.
- Hardy to USDA Zone 6 Native to south-central Cascade
Mountains in Oregon, southward through the Sierra Nevada Mountains of California and extreme western Nevada,
also found in northern Baja California.
- Often confused with Pinus ponderosa, several characteristics given to
distinguish between the two species.
- jeffreyi: after John Jeffrey, Scottish botanical explorer who collected seeds and plants in
Oregon and California for introduction into Scotland.