Difference between revisions of "Lodgepole pine"
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Grows to 30-40 m, usually tall but may be bent and twisted along the coast. Leaves=needle-like and paired (3-7 cm) Woody cones: often tightly closed; scales have spines at tip, may remain closed for years. | Grows to 30-40 m, usually tall but may be bent and twisted along the coast. Leaves=needle-like and paired (3-7 cm) Woody cones: often tightly closed; scales have spines at tip, may remain closed for years. | ||
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| + | Paper fiber type: Softwood, hard pine. Using transmitted light microscopy, fibers are identified by the presence of variable-sized pinoid pits in irregular groups of 2-4 across. Compression wood is common. Dentate ray trachieds are present. Appearance with [[Graff "C" stain]]: varies with pulping and bleaching . Average dimensions of fibers: length 3.1mm, width 35-45μm. Common pulping method: [[kraft process|kraft]] and [[sulfite process|sulfite]]. | ||
== Hazards and Safety == | == Hazards and Safety == | ||
Revision as of 11:54, 15 July 2015
Description
A tall, narrow pine tree (Pinus contorta) native to the western parts of North America. The lodgepole pine has a stiff, straight-grain wood. It is used for lumber, log cabins and telephone poles. Lodgepole pines are also used for making kraft paper, paperboard and book paper.
Synonyms and Related Terms
Pinus contorta; shore pine (Pinus contorta subsp. contorta); lodgepole pine (Pinus contorta subsp. latifolia); tamarack pine (Pinus contorta subsp. murrayana); jack pine; Küstenkiefer (Deut.); Drehkiefer (Deut.); Sosna wydmowa (Pol.);
Other Properties
Grows to 30-40 m, usually tall but may be bent and twisted along the coast. Leaves=needle-like and paired (3-7 cm) Woody cones: often tightly closed; scales have spines at tip, may remain closed for years.
Paper fiber type: Softwood, hard pine. Using transmitted light microscopy, fibers are identified by the presence of variable-sized pinoid pits in irregular groups of 2-4 across. Compression wood is common. Dentate ray trachieds are present. Appearance with Graff "C" stain: varies with pulping and bleaching . Average dimensions of fibers: length 3.1mm, width 35-45μm. Common pulping method: kraft and sulfite.
Hazards and Safety
Considered an invasive species in New Zealand.
Additional Images
Distribution chart of lodgepole pines
Tamarack pine Pinus contorta Murrayana
Authority
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Lodgepole_pine (Accessed Jan. 25, 2006)