Trees up to 55 m tall and 260 cm DBH with a long clear bole and a pyramidal crown that becomes flat-topped with age. The bark is smooth, gray, and scaly with resin blisters. Twigs grooved, pale brown or dull gray with a blackish pubescence. Shade foliage 2-ranked, spreading horizontally; foliage in sun more or less erect.
Needle base twisted, apex notched or rounded; 15-30 × 1.5-2 mm; upper surface dark shiny green and grooved, usually lacking stomata; lower surface glaucous to whitish-green, keeled with stomata in 5-8 ranks. Buds pale brown to reddish-brown, ovoid with an obtuse apex, sometimes resinous, diameter 8-11 mm, slightly pubescent.
Pollen cones blue/violet/red, 1-3 cm long. Seed cones cylindrical, attenuate at the ends, 10-16 × 3-5 cm, green when young, turning red-brown; cone scales spathulate, finely pubescent with exserted, reflexed bracts extending about 2/3 the length of the scale. Seeds obovoid, reddish, winged, up to 2.5 cm long.
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