Trees to 20 m tall. Branches of current year glabrous, sparsely puberulent, or densely pubescent. Petiole 1.5-3.5 cm; leaf blade ovate, broadly elliptic, narrowly elliptic, or sometimes obovate-elliptic, 6-12 × 2-5 cm, leathery, abaxially with lamellate scalelike glands and oily and shiny when young, base broadly cuneate to sometimes cuneate and often ± asymmetric, margin entire, apex abruptly acuminate and shortly caudate; secondary veins 7-10 on each side of midvein, usually adaxially impressed; tertiary veins abaxially not visible or rarely slender, reticulate. Male inflorescences usually solitary in leaf axils, 4-6 cm. Female inflorescences to 20 cm; cupules in clusters of ca. 3. Infructescence rachis 3-7 mm thick. Cupule plate-shaped, 1-1.5 cm in diam., covering base of nut, wall woody and basally thickened; bracts usually connate into concentric rings but apical ones imbricate, triangular, small, appressed. Nut conical, 1.2-1.8 × 1-1.5 cm, often white farinose, apex shortly pointed or rarely flat, wall 0.5-1 mm thick; scar 5-9 mm in diam., concave. Fl. May-Sep, fr. Aug-Dec of following year.
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