Trees to 25m; trunk to 0. diam., slender; crown conic, becoming rounded. Bark brown to red-brown, narrowly furrowed, cross-checked into long, irregularly and narrowly rectangular, flat, scaly ridges. Branches ascending; twigs slender, orange-brown or glaucous and violet, aging red-brown, ±smooth or cracking. Buds ovoid, light red-brown, ca. 0.6--0.7(--1)cm, slightly resinous. Leaves (2--)3(--4) per fascicle, spreading-ascending, persisting 2 years, 6--1 ´ 0.8--1mm, straight to slightly twisted, dull gray-green, all surfaces with fine stomatal lines, margins finely serrulate, apex acute to acuminate; sheath to 1.5cm, shed early and completely. Pollen cones broadly ellipsoid, ca. 10--15mm, brown or yellow. Seed cones maturing in 3 years, shedding seeds soon thereafter but long-persistent, paired or solitary, symmetric, lateral, narrowly ovoid before opening, broadly ovoid to nearly globose when open, 3.5--5(--9)cm, chestnut brown or greenish brown, aging gray to gray-brown, stalks to 1.5cm; apophyses slightly thickened and raised, not keeled; umbo central, slightly raised or depressed, with short, often deciduous prickle or unarmed. Seeds obovoid; body ca. 2mm, gray, mottled darker; wing ca. 10mm, dark-lined. 2 n =24.
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