Description: Tree that can reach 20 meters in height, with a very rough greyish-brownish or brownish bark, with surperficial cracks. Its leaves are alternate, marcescent, sometimes subpersistent, coriaceous, ovulate, elliptical, trasovulated-oblong or lanceolate, heart-shaped or attenuated at the base, of 3-11 cm long and 1.5-8 cm in width.  Festooned, jagged or lobular margins, sometimes with sharp triangular teeth. Green glaze, glabrescent face, and back with gray, white or yellow tomentum. 6-12 or pairs of nervations. Tomentose petiole of 4-20 mm in length. Masculine aments in groups of 4-5. Feminine flowers generally in groups on a short peduncle. Cylindrical acorns of 1.5-3.5 cm of length, habitually in groups, placed in the middle of the leaves. Dome of ovate-triangular, applied, tomentose scales that it covers the acorn of one third to a fifth. Annual ripeness.