Trees to 30 m tall; trunk to 80 cm d.b.h.; bark gray-or red-brown, rarely gray, flaking; crown pyramidal; branchlets initially yellow, yellowish brown, or reddish brown, turning yellowish, reddish, or gray-brown in 2nd or 3rd year, slender, glabrous or pubescent; winter buds reddish brown, conical-ovoid, slightly resinous, scales ± recurved at apex. Leaves directed forward on upper side of branchlets, spreading on lower side, quadrangular-linear, straight or curved, broadly quadrangular in cross section, green, 1.2-2.2 cm × 1.5-1.8 mm, stomatal lines 2-4 along each surface, apex acute. Seed cones green, maturing yellowish brown or brown, ovoid-cylindric, 5-8 × 2.5-3.5 cm. Seed scales at middle of cones obovate or obovate-oblong, 1.5-1.9 × 1.2-1.5 cm, exposed part of abaxial surface glossy, distal margin entire, rounded or obtuse. Seeds dark gray, obovoid, ca. 4 mm; wing pale brown, narrowly obovate-oblong, 0.9-1.2 cm. Pollination May-Jun, seed maturity Sep-Oct.
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