Description from Flora of China Trees evergreen, monoecious;
branches whorled or irregularly so; winter buds ovoid. Leaves
spirally arranged, sessile, lanceolate or linear-lanceolate,
stomatal bands present on both surfaces but fewer adaxially,
base attenuate, margin serrulate. Pollen cones terminal,
clustered; microsporophylls many, spirally arranged, sessile,
scalelike, distal margin serrulate; pollen sacs 3, pendulous.
Seed cones 1-3 together, terminal, globose, ovoid, or cylindric-
ovoid; bracts and cone scales spirally arranged, sessile,
connate proximally; bracts persistent, broadly ovate or
triangular-ovate, flat, large, leathery, base cordate, margin
irregularly and finely serrulate, apex long acuminate, hard;
ovules 3 per bract axil, sessile; cone scales of mature cones
sessile on and fused to proximal middle part of abaxial side of
bract, minute, distal part free, 3-lobed, lobes irregularly
serrulate at apex. Seeds 3, sessile on adaxial side of cone
scale, flat, with 2 narrow, lateral wings. Cotyledo