Trees 5-10(-20) m tall. First-year branchlets black, dark black-brown, or dusky when dry, glabrous. Leaves spirally arranged, yellowish brown to gray; petiole 1-2.5 cm; leaf blade oblong to obovate-elliptic, very variable in size, often 15-25 × 5-9 cm, thickly papery, covered with brown-red slightly adnate small lamellate waxy scalelike trichomes when young, base cuneate, margin from base to middle undulate and crenate, apex acute, acuminate, or rounded; midvein adaxially raised; secondary veins 20-28 on each side of midvein or rarely fewer. Female inflorescences usually borne more toward apex of branches and if axillary then solitary, 8-16 cm. Infructescences 10-20 cm. Cupules yellowish brown to dark grayish brown when dry, cupular, 0.8-1.2 cm in diam., wall ca. 1 cm thick; bracts scalelike, triangular, annular or sometimes imbricate when young, thickened with age, adnate, arranged in 4-7 rib rings, waxy. Nut ovoid to ellipsoid, 1-1.5 cm × 3-6 mm, apically brown-red tomentose; scar basal, 3-6 mm in diam. Fl. Mar-May, fr. Oct-Dec.
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A large tree. It grows 20 m tall. The branches are smooth. The leaves are narrowly oval and 15-25 cm long by 5-8 cm wide. The base is wedge shaped. They are teeth along the edges or the edges are wavy. The flowers are small. The nuts are in cups 9-13 mm across. The nuts are oval and 1.5 cm long by 8-10 mm wide.
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