The knobcone pine generally holds its cones tightly closed, until the high temperatures of a forest fire open them up. I think it is unlikely that Don Pedro’s has had such a fire recently.

The cones remain tightly closed ... It's that density that makes fires burn more intensely — which kills knobcone pine but ensures plenty of regrowth. “It’s this perfect adaptation to ...

Bishop pine, Monterey pine, knobcone pine, Torrey pine and Coulter pine can be distinguished from each other by their needles and cones. Bishop pine is the only pine native to Marin. Howell ...

Bishop pine, Monterey pine, knobcone pine, Torrey pine and Coulter pine can be distinguished from each other by their needles and cones. Bishop pine is the only pine native to Marin. Howell ...