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FOC | Family List | FOC Vol. 4 | Fagaceae | Lithocarpus

3. Lithocarpus xylocarpus (Kurz) Markgraf, Bot. Jahrb. Syst. 59: 66. 1924.

木果柯 mu guo ke

Quercus xylocarpa Kurz, J. Asiat. Soc. Bengal Pt. 2, Nat. Hist. 44: 196. 1875; Lithocarpus shunningensis Hu; Pasania xylocarpa (Kurz) Hickel & A. Camus; Synaedrys xylocarpa (Kurz) Koidzumi.

Trees to 30 m tall. Young branchlets sulcate, tawny tomentose. Petiole ca. 1 cm; leaf blade narrowly oblong to sometimes lanceolate, 9-15 × 2-5 cm, leathery, abaxially pilose when young and glaucous with age, adaxially lustrous, base cuneate, margin entire, apex acute; midvein ± flat to slightly raised on both surfaces and usually pubescent; secondary veins 12-15 on each side of midvein; tertiary veins abaxially very slender, evident or not visible. Male inflorescences often partly androgynous, solitary, 5-10 cm; rachis tomentose. Female inflorescence rachis 5-8 cm, ca. 3 mm thick; cupules in clusters of ca. 3. Cupule subglobose but apically slightly narrowed, 3-4.5 cm in diam., completely enclosing nut, wall 3-5 mm thick; bracts linear, 2-3 mm, curved inward, densely and completely covered by minute hairs. Nut subglobose to broadly ellipsoid, 2-3 cm in diam.; scar covering 4/5-5/6 of nut, convex. Fl. May-Jun, fr. Sep-Oct of following year.

Dry mixed mesophytic forests; 1800-2300 m. SE Xizang, S Yunnan [NE India, N Laos, NE Myanmar, Vietnam]


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