The leaf base is rounded or slightly cordate with finely serrated margins, usually unlobed or shallowly 3-lobed, rarely conspicuously 3-5 lobed.

Unisexual flowers, monoecious; raceme inflorescence with either glabrous or short pubescence, approximately 5 cm (2.0 in) in length.

The male flower has 8 stamens surrounding the floral disk, with filaments approximately 3 mm (0.12 in) in length.

The male flower has 8 stamens surrounding the floral disk, with filaments approximately 3 mm (0.12 in) in length.

The mature samara is yellowish brown in color with sickle-shaped wings approximately 3 cm (1.2 in) in length.

It mainly grows at mid to high elevations in the forests of the Central Mountain Range, often mixed with hinoki cypress in the cloud zone.

No formal holotype was cited; the only mention was that the type specimen was collected from the temperate forest in Mt.