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sugar pine

Habit Trees to 70 m tall; mature crown conic to broad and flattened with horizontal branches.
Buds

ovoid; reddish brown, resinous.

Leaves

in clusters of 5; straight, slightly twisted, 5–9 cm × 1–2 mm; bluish green;

margins finely serrulate;

abaxial surfaces with faint stomatal lines;

adaxial surfaces with obvious white stomatal lines;

apex acute;

sheaths deciduous.

Pollen cones

ellipsoid-cylindrical, 10–15 mm long, yellow.

Seeds

ovoid, 10–20 mm long, brown;

wings twice as long as body.

Trunks

to 3 m in diameter; straight;

bark smooth and gray when young, brown to reddish brown, furrowed with long scaly plates when mature;

branches horizontal to ascending; lower branches sometimes drooping;

twigs green to brown and pubescent when young, becoming glabrous and gray with age; smooth with bud scars flush to surface or nearly so.

Seed cones

cylindrical, symmetric, 30–45 cm long, pendent;

stalks 5–16 cm long, maturing in 2 years, opening at maturity;

umbos terminal, slightly excurved;

prickles absent.

2n

=24.

Pinus strobiformis

Pinus lambertiana

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Montane forests. 200–2100 m. Casc, CR, ECas, Sisk. CA, NV; south to Mexico. Native.

Pinus lambertiana is the largest of all pine species. Its large cones, often weighing several pounds, in combination with leaves in clusters of 5, distinguish it from all other pine species in Oregon.

Source Flora of Oregon, volume 1, page 122
Stephen Meyers
Sibling taxa
P. albicaulis, P. attenuata, P. attenuata x Pinus radiata, P. balfouriana, P. contorta, P. flexilis, P. jeffreyi, P. lambertiana, P. monophylla, P. monticola, P. muricata, P. pinaster, P. ponderosa, P. sabiniana, P. sylvestris
P. albicaulis, P. attenuata, P. attenuata x Pinus radiata, P. balfouriana, P. contorta, P. flexilis, P. jeffreyi, P. monophylla, P. monticola, P. muricata, P. pinaster, P. ponderosa, P. sabiniana, P. sylvestris
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