Dioecious, small to large tree up to 15 m high, with branches ± erect. Young branchlets glabrous, relatively stout (1-1.5 mm diam.), rounded with as many flat ribs as lf-teeth. Lf-teeth of adult branchlets in whorls of (12)-14-16-(17), lanceolate, brown at base, 0.66-1 mm long; tip pale white or grey, usually withering. ♂ fls in terminal spikes (10)-15-30 mm long; whorls of bracts overlapping when fls mature. Cone ellipsoid or subglobose and flattened at apex, 10-15 mm long; margins of valves acute or with a short blunt point; seeds dull, light whitish brown, 4-6 mm long, with pale membranous wing.