murrayana (Balfour) Engelmann. Loblolly Pine, an Important Tree in North America.
lodgepole pine (Pinus contorta) (click on each photo to enlarge image) Needles: Two needles per bundle (clustered); 1-3" long; commonly twisted (contorted). Lodgepole Pine Tree Facts. Notes on Taxonomy and Nomenclature Top of page. Population Size. The beetles lay eggs under the bark of an infested tree, carrying with it a blue stain fungus (Grosmannia clavigera) which inhibits the natural defenses of the tree against the beetle (and discolors the sapwood a grayish blue). Lodgepole Pine. Lodgepole pine (Pinus contorta) Ponderosa pine (Pinus ponderosa) Major Characteristics of the Pines . latifolia (Engelm.) Three subspecies: subsp. Colorado's major tree species include bristlecone pine, Colorado blue spruce, Douglas-fir, Engelmann spruce, limber pine, lodgepole pine, narrowleaf cottonwood, quaking aspen, piñon pine, plains cottonwood, ponderosa pine, Rocky Mountain juniper, subalpine fir and white fir. Range Extent.
Douglas ex Loudon 1838. Score 0 - Large: Generally >100,000 individuals.
Lodgepole Pine (Pinus contorta) Conservation Status Review Review Date = 05/25/2012 View State Conservation Rank Criteria.
In the late spring, small male cones at the branch tips release pollen. European Journal of Soil Biology, 32(2):89-97. It is common near the ocean shore and in dry montane forests to the subalpine, but is rare in lowland rain forests. Ft. Score 0 - Widespread species within Montana (occurs in 5% or more of the state or generally occurring in 6 or more sub-basins.) Fruit: Small, egg-shaped cones (1-2" long), often with a prickle at the end of each scale. The Lodgepole pine, Pinus contorta var. Germination, survival, and growth of lodgepole pine under simulated precipitation regimes: a greenhouse study. Critchfield, and subsp. latifolia (latifolia=broad-leaved) is a variety known for its tall, straight trunks, common in the Rocky Mountains. Score 0 - Large: Generally >100,000 individuals.
A semi-dwarf cultivar, 'Chief Joseph' , has foliage that is yellow-gold in winter and medium green in summer. contorta, subsp. Range Extent.
Douglas ex Loudon 1838. Critchfield, and subsp. Oregon's only native two-needle pine, Pinus contorta, commonly called lodgepole pine, is widely distributed across the state in a variety of diverse ecological habitats, from windswept ocean shores to mountaintops. Lodgepole Pine (Pinus contorta) Conservation Status Review Review Date = 05/25/2012 View State Conservation Rank Criteria. Can you identify these common native pines, a 3-needle and a 5-needle?
murrayana (Balfour) Engelmann.
Lodgepole pine (Burns and Honkala 1990); beach, western scrub, north coast scrub, sand, shore or knotty pine (Peattie 1950).Taxonomic notes. Population Size.
Relationships: There are about 115 species of pines worldwide, 35 in North America. Pinus contorta is named for its gnarled, twisted shape in its seashore habitat or, perhaps, the gentle twist in its paired needles. Sheppard WD; Noble DL, 1976. Forests of lodgepole pines (Pinus contorta Dougl) cover up to 50 million acres in the western regions of North America.
Pinus contorta. Common names.
P. contorta is a 2-needled pine of the subgenus Pinus (distinguished by having much resin, close-grained wood, sheath of leaf cluster persistent and two vascular bundles in each needle), section Pinus, subsection Contortae, along with the North American species P. banksiana, P. virginiana and P. clausa (Little and Critchfield, 1969). Pinus contorta, with the common names lodgepole pine and shore pine, and also known as twisted pine, and contorta pine, is a common tree in western North America. The mountain pine beetle, Dendroctonus ponderosae, is a significant pest of lodgepole pine in British Columbia (BC), where it has recently reached an unprecedented outbreak level. Pinus contorta – Lodgepole pine, an evergreen conifer tree, is the provincial tree of Alberta. contorta, subsp. Recent infestations (1990s and 2000s) by the mountain pine beetle (Dendroctonus ponderosae) have caused widespread death of Lodgepole Pine trees in Colorado and Wyoming. Three subspecies: subsp. Like all pines (member species of the genus Pinus), it is an evergreen conifer. Shore and Lodgepole pine are the only pines native to the Pacific Northwest that have short needles in bundles of two.
Other articles where Lodgepole pine is discussed: tree: Tree height growth: Some species, such as lodgepole pine (Pinus contorta), are polycyclic; they have several flushes from a single bud during the growing season.
Common names.
The leaves are needle-like, paired and often twisted, and 3-7 cm long.
Shaw PJA; Usher MB, 1996. Lodgepole pine (Burns and Honkala 1990); beach, western scrub, north coast scrub, sand, shore or knotty pine (Peattie 1950).Taxonomic notes. Edaphic Collembola of lodgepole pine Pinus contorta plantations in Cumbria, UK. Identify Types of Fir Trees in America. How to Identify North American Trees.
latifolia (Engelm.) Pinus contorta.