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On the coast, the knobcone pine may hybridize with bishop pine (Pinus muricata), and Monterey pine (Pinus radiata). In the western foothills of the Sierra Nevada, knobcone pine is often a co-dominant with blue oak (Quercus douglasii). [7] The species is susceptible to fire, but this melts the cone resin, releasing seeds for regrowth. [4]
The most widespread naturally of the closed-cone pines is bishop pine (Pinus muricata), which can be found along the coast from Humboldt County, California in the north to the northwestern corner of Baja California in the south. Knobcone pine (Pinus attenuata) forests can occur further inland, on dry, rocky soils.
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. This is a brownish shrub which is visible as a network of scaly stems extending above the bark of its host tree.
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 growth following the heat of forest fires. However, as fire regulation and suppression becomes more effective these communities cannot renew themselves.
Pinus x rigitaeda, Pinus rigida × P. taeda – Pitlolly pine (Pitch pine × loblolly pine) Pinus rigida × P. serotina – Pitch pine × pond pine; Pinus patula × P. greggii – Mexican weeping pine × Gregg pine; Pinus patula × P. radiata – Mexican weeping pine × Monterey pine; Pinus attenuata × P. radiata – KMX pine (Knobcone pine × ...
Mature Pinus pinea (stone pine); note umbrella-shaped canopy: Pollen cones of Pinus pinea (stone pine): A red pine (Pinus resinosa) with exposed rootsYoung spring growth ("candles") on a loblolly pine
A Plant Information Management System (PIMS) collects and integrates information about a production process from different sources. [1] Overview. Tasks. ...
Pinaceae (pine family) Abies amabilis: Pacific silver fir Pinaceae (pine family) Abies balsamea: balsam fir Pinaceae (pine family) Abies beshanzuensis: Baishanzu fir Pinaceae (pine family) Abies borisii-regis: Bulgarian fir Pinaceae (pine family) Abies bracteata: Santa Lucia fir Pinaceae (pine family) Abies cephalonica: Greek fir Pinaceae (pine ...