Within the Pinus contorta article...

var. murrayana (Balf.) Engelm.

P. murrayana Balf.
P. contorta subsp. murrayana (Balf.) Critchfield
P. tamrac A. Murr

This variety is tall-growing, like var. latifolia, but is much stouter, with a trunk 3 ft or more in diameter. It also differs in its pinkish bark, in bearing cones that usually shed their seed when ripe and soon fall from the tree, and in its rather broader leaves, up to {1/10} in. wide. It is confined to the Cascade range and inner California and was discovered and introduced by Jeffrey, who collected cones for the Oregon Association in autumn 1852. No mature specimen has been traced but there are young trees in the trial plots of the Forestry Commission, which grow very slowly.


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