Page author: Don Knoke
Pinus monticola
western white pine
WTU specimens
Other herbaria

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

Cones: May - June

Origin: Native

Conservation Status: Not of concern

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 Douglas ex D. Don
Publication: Descr. Pinus [ed. 3]. 2: unnumbered page between 144 and 145. 1832. 1832.

Synonyms & Misapplications:
Pinus strobus L. var. monticola (Douglas ex D. Don) Nutt.
Strobus monticola (Douglas ex D. Don) Rydb.
Additional Resources:

PNW Herbaria: Specimen records of Pinus monticola in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Pinus monticola checklist entry.

E-Flora BC: Pinus monticola atlas page.

CalPhotos: Pinus monticola photos.

USDA Plants: Pinus monticola information.

31 photographs:
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