Willamette Valley Ponderosa Pine
Willamette Valley Ponderosa Pine | |
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Scientific classification | |
Kingdom: | |
Division: | Pinophyta
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Class: | Pinopsida
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Order: | |
Family: | |
Genus: | |
Subgenus: | Pinus
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Species: | |
Subspecies: | P. p. var. willamettensis
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Trinomial name | |
Pinus ponderosa var. willamettensis |
The Willamette Valley Ponderosa Pine is a variant of the Ponderosa Pine native to the Willamette Valley in Oregon. It is adapted for Western Oregon's wet winter and dry summer.[citation needed]
History[]
The Willamette Valley ponderosa variant only grows on the valley floor, unlike the Douglas-fir, which grows on hillsides, and the wood is softer and easier to mill than the native hardwoods.[1] Because of this, when early settlers used wood from the trees to build homes and cleared land for agriculture, the variant's population was "decimated".[1] Prior to restoration efforts, the pine survived only in scattered stands between Hillsboro and Cottage Grove.[1] The Lewis's woodpecker and the slender-billed nuthatch (a subspecies of the white-breasted nuthatch) nest in the tree and rely on it for food–their populations were reduced along with that of the pine.[1]
References[]
- ^ Jump up to: a b c d Ryan, Catherine (March 28, 2012). "Loggers Give Unique Oregon Ponderosa Pine a Lifeline". High Country News. Retrieved March 12, 2015.
External links[]
- The Nature of Cedar Mill: Willamette Valley Ponderosa Pine
- Ponderosa Returns to the Willamette Valley
- Bark Beetles and Willamette Valley Ponderosa Pine: Populations, Geographical Distribution and Management Recommendations
- Pinus
- Trees of the Northwestern United States
- Willamette Valley
- Conifer stubs