WordNet
knobcone pine
n. medium-sized 3-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone [syn: Pinus attenuata]
Wikipedia
Knobcone pine
The knobcone pine, Pinus attenuata, (also called Pinus tuberculata) is a tree that grows in mild climates on poor soils. It ranges from the mountains of southern Oregon to Baja California with the greatest concentration in northern California and the Oregon-California border.