Vascular Plants - Pinaceae - Pinus:
Pinus monticola
Page Author: Don Knoke
western white pine, mountain white pine 
Blooms: May - June
Habit: tree
Duration: perennial
Origin: Native
Distribution: British Columbia to California, east to Utah and Montana; in the Washington Olympics
Habitat: Moist valleys and drier slopes, near sea level to mid-elevations in the mountains
Species Description:

General: Medium-sized tree up to 40 m. tall.
Bark: Bark very thin, at first gray and smooth, becoming checked into squarish, flaking scales, grayish where exposed, cinnamon-brown underneath.
Leaves: Needles in clusters of 5, light bluish-green, slender, 5-10 cm. long, obtuse, on spur branches that are ultimately deciduous with the needles.
Cones: Staminate cones clustered, yellow, under 1 cm. long, crowded at the base of shoots of the current season; ovulate cones at the tips of upper branches, greenish-yellow to purplish when young, short-stalked, pendent, 15-25 cm. long and 6-9 cm. thick, the scales thin, broadened upward and red to brown below the yellowish-brown, obtuse tip.
Accepted Name:
Pinus monticola Dougl. ex D. Don
Synonyms:
Pinus strobus L.
Pinus strobus L. var. monticola (Dougl. ex D. Don) Nutt.
Strobus monticola (Douglas ex D. Don) Rydberg

Treated in Flora of the PNW as:
Pinus monticola
Additional Resources:

PNW Herbaria Specimens: View list of all Pinus monticola specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Pinus monticola specimens in the WTU Herbarium database.

Washington Flora Checklist: Pinus monticola treatment.

E-Flora BC: Pinus monticola atlas page.

CalPhotos: Pinus monticola images.

USDA Plants Database: Pinus monticola.
Additional photographs of Pinus monticola:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

H. Tim Gladwin, 1982

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Warren Walker, 2009

Warren Walker, 2009

Warren Walker, 2009

Clayton J. Antieau, 2007

Clayton J. Antieau, 2007

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

Robert L. Carr, 2010

Robert L. Carr, 2010

Robert L. Carr, 2010

Robert L. Carr, 2010

Susan McDougall, 2013

Susan McDougall, 2011

Susan McDougall, 2015

Susan McDougall, 2014

Susan McDougall, 2014

Susan McDougall, 2014

Susan McDougall, 2013
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Washington Native Plant Society
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