Trees to 75 m tall; trunk to 3.5 m d.b.h.; bark brownish gray, cracking into long, irregular flakes; crown conical or broadly rounded. Leaves of old branchlets 1.5-8(-9) mm × 0.8-2.5 mm, stomata in 8-13 rows on adaxial, long side and in 6-9 rows on 2 abaxial flanks. Leaves of young trees and new branchlets borne at 40-70° to axis, bluish green, 1-2.5 cm × 1.2-2 mm, stomata in 3-6 rows on each surface. Pollen cones in clusters of 2-7; microsporophylls 10-36, each with 2 or 3 pollen sacs. Seed cones shortly cylindric to ellipsoid or narrowly so, 1-2.2 cm × 6-11 mm; cone scales 15-39, median scales broadly obdeltoid, 6-7 × 7-8 mm, claw ca. 2/5 × total length of scale. Seeds oblong-ovate, narrowly elliptic, or narrowly elliptic-obovate, 4-7 × 2.5-4.5 mm (including wings 1-1.5 mm wide projecting 1-1.5 mm beyond apex of seed). Pollination Apr-May, seed maturity Oct-Nov. 2n = 22*, 33.