Trees to 20 m tall; trunk to 1.5 m d.b.h. Branches stout, dull purplish brown, slightly angled; juvenile branchlets densely downy. Leaves of short branchlets with petiole terete, ca. 6 cm, pubescent; leaf blade ovate to broadly ovate, 7-14 × 4-10 cm, both surfaces with raised veins and hairs, abaxially pale, adaxially dull green, base cordate or rounded, margin crenate-serrulate, ciliate, apex acuminate or long acuminate. Fruiting catkin 8-16 cm; rachis downy. Capsule globose-ovate, densely tomentose, rarely pilose, 4-valved, sessile or shortly stipitate.
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