Description from Flora of China
Quercus fenestrata Roxburgh, Fl. Ind. ed. 1832, 3: 633. 1832; Lithocarpus fenestratus var. brachycarpus A. Camus; Pasania fenestrata (Roxburgh) Oersted; Synaedrys fenestrata (Roxburgh) Koidzumi.
Trees 25-30 m tall. Branchlets of current year pubescent or with tawny lamellate waxy scalelike trichomes. Petiole 5-10 mm, pilose; leaf blade lanceolate, ovate-oblong, or ovate-elliptic, 5-22 × 2-7 cm, papery to thickly papery, abaxially with yellowish gray to gray, adherent, waxy or lamellate scalelike trichomes, base cuneate to narrowly so and decurrent on petiole, margin entire, apex acute to acuminate; secondary veins 12-17 on each side of midvein, sometimes adaxially impressed, abruptly arcuate apically near margin, apical ones often fusing; tertiary veins abaxially slender, evident, numerous, subparallel. Male inflorescences usually in a panicle. Female inflorescences to 25 cm. Infructescences to 18 cm; rachis 5-8 mm thick; cupules in clusters of ca. 3, only 1 or 2 developed. Cupule depressed globose, 1-2.8 cm in diam., enclosing most of nut, wall 0.5-1 mm thick; bracts imbricate, triangular, appressed, sparsely covered with minute hairs and brown waxy scalelike trichomes. Nut depressed globose to broadly conical, wall 0.4-1 mm thick; scar 1-1.8 cm in diam., concave. Fl. Aug-Oct, fr. Aug-Dec of following year.
Broad-leaved evergreen forests; below 1700 m. C to S Guangdong, SW Guangxi, Hainan, SE Xizang (Mêdog Xian), Yunnan [Bhutan, NE India, Laos, NE Myanmar, Sikkim, N Thailand, NE Vietnam]