Description from Flora of China
Trees 6-8 m tall, evergreen. Petiole 5-8 mm; leaf blade ovate to elliptic, 4-6 × 1.5-2.5 cm, thickly papery, base broadly cuneate to rounded and sometimes oblique, margin denticulate, apex acute to acuminate; secondary veins 6-9 on each side of midvein; tertiary veins slender, reticulate. Infructescences 3-6 mm, usually 1-fruited at maturity. Cupule cupular, 3-5 × 0.9-1.2 cm, enclosing 1/4-1/3 of nut; bracts ovate to obtusely triangular, appressed imbricate, covered with short, gray hairs and scalelike glands. Nut broadly ellipsoid, 1-1.2 cm, glabrous; scar 5-6 mm in diam.; stylopodium ca. 1 mm.
Related to Quercus phillyreoides, but its status is uncertain.
* Mountains on limestone; circa 1000 m. Hainan (Changjiang Xian)