That's because the knobcone pine thrives on fire and can even increase fire intensity, Knapp and other researchers say. “They grow in such a way to encourage severe burns,” said Carl Skinner ...

Pine cones from the knobcone trees have a resin that keeps them sealed tight until they”re opened by force or by fire. “As the fire passes through, ...

Knobcone pine: The cones are woody with swollen, knoblike bumps on one side, 3 to 6 inches long, in dense clusters that encircle branches; ...

Knobcone pine: The cones are woody with swollen, knoblike bumps on one side, 3 to 6 inches long, in dense clusters that encircle branches; ...

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.

Knobcone pine starts sprouted from seeds released by fire-sensitive cones and bright green redwood saplings could be seen growing at the foot of dead trees.

Wildfires that burned more than 116,000 acres in Central Washington did not kill forests. The knobcone pine and some lodgepole pine need fire to spread their seeds. And in Ponderosa ...

With her father consulting on the project, Lutz settled on giant sequoia, fireweed, California black oak, ponderosa pine, California lilac, and knobcone pine as the six plants that would represent ...

Knobcone pine cones require fire to open and release their seeds. Cones can hold seeds for 20 to 30 years before they are released. As a result, “Every five or six decades, ...

And new Knobcone pine trees, which need temperatures above 350 degrees to pop open their cones and drop their seeds, were sprouting. "I think nature is finding a way," State Parks senior ...

There are five species of pine that grow in Marin, John Thomas Howell writes in his book, “Marin Flora.” Bishop pine, Monterey pine, knobcone pine, Torrey pine and Coulter pine can be ...