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The knobcone pine, Pinus attenuata (also called Pinus tuberculata), [2] 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.
Pinus aristata - Rocky Mountains bristlecone pine; Pinus attenuata - Knobcone pine; Pinus balfouriana - Foxtail pine; Pinus contorta - Lodgepole pine; Pinus coulteri - Coulter pine; Pinus edulis - Colorado pinyon; Pinus flexilis - Limber pine; Pinus jeffreyi - Jeffrey pine; Pinus lambertiana - Sugar pine; Pinus longaeva - Great Basin ...
Pinus, the pines, is a genus of approximately 111 extant tree and shrub species. The genus is currently split into two subgenera: ... P. attenuata – knobcone pine;
Arceuthobium siskiyouense is a species of dwarf mistletoe known as knobcone pine dwarf mistletoe. It is endemic to the Klamath Mountains of northern California and southern Oregon , where it lives as a parasite on knobcone pine trees.
Adapted to periodic fires, many species and communities in the ecoregion are highly fire resilient, and there are many species which regenerate by fires. The trees of Closed-cone pine forest burned in every 25–50 years, and a few species including the knobcone pine (Pinus attenuata) are adapted to open the cones and release seeds for new ...
Bishop pine (Pinus muricata): coastal species grown in gardens; Coulter pine (Pinus coulteri) Gray pine, ghost pine, or digger pine (Pinus sabiniana) Knobcone pine (Pinus attenuata) Ponderosa pine (Pinus ponderosa): well known in mountains; Lodgepole pine (Pinus contorta): used for early construction of buildings and other structures.
In moist stream canyons, other trees and shrubs prevail—bigleaf maple, western spicebush (Calycanthus Occidentalis), dogwood, white alder, and willows. At mid-elevations sugar pine , incense-cedar , white fir and Jeffrey pine join Douglas-fir, ponderosa pine, and canyon live oak, while the other pines and oaks drop out of the mix.
Pines, such as ponderosa pine, Jeffrey pine, sugar pine, Coulter pine, lodgepole pine, single-leaf pinyon, and knobcone pine all thrive here. Other coniferous trees, such as white fir, bigcone Douglas-fir (Pseudotsuga macrocarpa), incense cedar, and western juniper also thrive here. Canyon live oak, California black oak, and Pacific dogwood are ...