Trees to 20-25 m tall, Young branchlet tomentose, glabrescent with age; lenticels yellowish brown. Leaf blade narrowly elliptic-lanceolate, 10-20 cm long and 2.5-6 cm wide, concolorous, tomentose, only veins abaxially tomentose with age, base rounded to broadly cuneate, margin with long bristlelike teeth, apex long acuminate; secondary veins 13-18 on each side of midvein, fusing at serration; petiole 1-3 cm, tomentose, glabrescent. Fruits cupules on previous year's branchlets, 1 or 2, cupular to discoid, 2-4 cm in diameter including bracts, enclosing 1/4-1/2 of nut; bracts subulate to ligulate, ca. 1.5 cm, reflexed, canescent; nut ovoid to ellipsoid, 2.0 x 1.7-2.2 cm, apex impressed; scar ca. 1 cm in diam, pale brown.

Flowering late April to May
Fruiting the following year of flowering (October)