Trees to 30 m tall; trunk to 1 m d.b.h.; bark dark brown, longitudinally fissured; branchlets drying brownish yellow or reddish brown, aging brown-gray or dark brown, glabrous; winter buds scales keeled abaxially. Leaves with petiole 1-1.5 mm; blade 1.1-2(-2.4) cm × 1-2(-2.5) mm, smooth or faintly grooved, stomatal lines 7-12 adaxially, 10-16 along each surface abaxially, margin entire, apex somewhat acute or slightly obtuse. Seed cones purplish or red, maturing to dark brown, 2-5.8 × 1.2-2.5 cm, persistent for several years, then breaking off whole or sometimes disintegrating. Seed scales at middle of cones broadly rhombic or suborbicular, 0.9-2.2 × 1.2-2.5 cm, base peltate-auriculate, apex truncate-rounded. Bracts subspatulate, 0.7-1.8 cm, apical cusp acute or acuminate. Seeds triangular-ovoid, 4-8 × 2.5-3 mm; wing ovate-oblong, apex rounded. Pollination Mar-Apr, seed maturity Oct.