Knobcone pine - Wikipedia
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 attenuata - Landscape Plants | Oregon State University
Knobcone pine has been called the "tree that swallows its cones". The heat of a fire causes the cones to open and shed their seeds. Numerous seedlings then begin a new forest. Sun. Best in well-drained, gravelly to sandy, moist soil. Not used often in landscaping, but interesting in naturalized settings.
Virginia Tech Dendrology Fact Sheet
knobcone pine Pinaceae Pinus attenuata Lemmon symbol: PIAT Leaf: Evergreen needles, commonly 4 to 5 inches (but may be 3 to 7), borne in bundles of 3; yellow-green, slender, stiff, and sometimes twisted; persist for 4 to 5 years. Flower: Species is monoecious; male cones are brownish purple in tight clusters; females small, reddish purple.
Pinus attenuata (knobcone pine) description - The Gymnosperm …
Description of the evolution, biology, distribution, ecology, and uses of Pinus attenuata (knobcone pine).
Pinus attenuata - FNA
Shrubs or trees to 24m; trunk to 0.8m diam., usually straight; crown mostly narrowly to broadly conic. Bark purple-brown to dark-brown, shallowly and narrowly fissured, with irregular, flat, loose-scaly plates, on upper sections of trunk nearly smooth. …
Knobcone Pine - Oregonforests 2023
The knobcone pine can be found on dry, rocky slopes and ridges of the coastal mountain ranges of southern Oregon to Baja California. It usually grows at altitudes of 2,600 to 4,500 feet and in fire-prone environments.
Knobcone Pine (Pinus attenuata) | U.S. Fish & Wildlife Service
knobcone pine. Kingdom. Plantae. Location in Taxonomic Tree . Genus. Pinus. Species. Pinus attenuata. Identification Numbers. TSN: 183315. Geography. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.
Factsheet - Pinus attenuata - Scion
[Knobcone pine] Description. Habit: A small tree 6-25 m high, occasionally taller, variable but frequently with a spreading, gaunt open habit particularly when open grown; trunk typically crooked and forked at least once; branches ascending and sinuous, with closely pressed, persistent, elongated, backward-pointing cones. Older trees develop a ...
knobcone pine (Pines of California) · iNaturalist
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.
Knobcone Pine, Pinus attenuata - University of California, Irvine
Knobcone Pine. Pinus attenuata. An example of a serpentine-endemic plant. Pleasants Peak is the only area within Orange County that contains serpentine soil (from a rock called serpenitite) and the only area where Pinus attenuata occurs naturally. Serpentine endemics have evolved to tolerate the extreme conditions of serpentine soil, which ...