Monoec. tree up to 20 m., trunk up to 1 m. diam.; phylloclades alt., pinnately arranged on whorled rhachides up to 3 dm. long. Lvs of juveniles up to 2 cm. long, narrow-linear, deciduous; of adults much smaller. Phylloclades 10-15 per rhachis, irregularly and broadly rhomboid, flabellately lobed, cuneate at base; lobes obtuse to truncate, margins minutely crenulate; lf-denticles small, subulate, 1·5-3 mm. long, up to 1·5 mm. wide. Male strobili terminal in clusters of 5-10, pedicels 3-10 mm. long; staminal portion c. 1 cm. long, apiculus small, triquetrous; carpidia rather thick, marginal on reduced final phylloclades up to 3 cm. long, in clusters of 6-8; seeds nutlike, exserted beyond irregularly crenulate cupule, c. 3 mm. long.

n = 9

2n = 18

2n = 18

n = 9

2n = 18