Description from Flora of China
Quercus dinghuensis C. C. Huang, Acta Phytotax. Sin. 16 (4): 74. 1978.
Trees to 8 m tall. First-year branchlets grayish brown, sulcate, waxy, tawny woolly-tomentose; 2nd-year branchlets dark ashy, glabrescent. Petiole 1-1.5 cm; leaf blade oblong-elliptic, 8-9 × 2-2.5 cm, pale brown tomentose, glabrescent, abaxially grayish green, adaxially dark green, base cuneate to narrowly rounded, margin entire and slightly recurved, apex rounded; secondary veins 12 or 13 on each side of midvein. Infructescences on terminal new shoots, less than 1 cm, usually 2-fruited. Cupule bowl-shaped, ca. 1.8 × 2-2.5 cm, enclosing ca. 1/3 of nut, outside grayish brown tomentose but glabrescent, wall ca. 4 mm and hard; bracts in 4 or 5 rings, margin entire. Nut ellipsoid, 3-3.5 × 1.7-2 cm; scar ca. 5 mm in diam., slightly convex; stylopodium persistent, evident.
* Broad-leaved evergreen forests in mountains; circa 1000 m. Guangdong (Dinghu Shan)