Trees up to 30 m tall with spreading horizontal branches; branchlets drooping. Leaves acicular, 2.5 cm long, 3‑sided. Male cones solitary at the tips of dwarf shoots, erect, cylindrical, purplish at maturity, 2.5‑4.5(‑7) cm long; microsporophylls spirally arranged, each with 2 oblong sporangia; micropores not winged. Female cones solitary, erect, terminal at the end of shoots; young cones greenish, mature cones brown, barrel‑shaped, 7‑12 x 5‑9 cm; sporophylls fan‑shaped, deciduous, leaving a central woody axis. Seeds obovate, 4‑6 mm (excluding wing), with a large light brown wing.