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FNA | Family List | FNA Vol. 2 | Pinaceae | Pinus

33c. Pinus contorta var. murrayana (Greville & Balfour) Engelmann in S. Watson, Bot. California. 2: 126. 1880.

Sierra lodgepole pine

Pinus murrayana Greville & Balfour in A. Murray bis, Bot. Exped. Oregon 8: no. 740, plate 1853; P. contorta subsp. murrayana (Greville & Balfour) Critchfield

Trees to 50m; trunk to 0.9m diam., straight, little tapering; crown mostly conic at maturity. Bark scaly, not evidently furrowed, orange- to purple-brown. Branches spreading, ascending at tips. Leaves 5--8cm ยด 1--2mm, yellow-green, apex acute. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, nearly symmetric, mostly spreading, rarely in whorls, more often paired or solitary, mid and lower apophyses mostly shallowly domed.

Montane forests; 400--3500m; Calif., Nev., Oreg., Wash.; Mexico in Baja California.

Pinus contorta var. murrayana is the tallest and best-formed variety of this species.


 

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