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

106. Lithocarpus harlandii (Hance ex Walpers) Rehder, J. Arnold Arbor. 1: 127. 1919.

港柯 gang ke

Quercus harlandii Hance ex Walpers, Ann. Bot. Syst. 3: 382. 1852; Lithocarpus cuneiformis A. Camus; L. kawakamii (Hayata) Hayata var. chiaratuangensis J. C. Liao; Pasania chiaratuangensis (J. C. Liao) J. C. Liao; P. harlandii (Hance ex Walpers) Oersted; Q. harlandii var. integrifolia Dunn; Synaedrys harlandii (Hance ex Walpers) Koidzumi.

Trees to 18 m tall, glabrous except for inflorescences. Branchlets purplish brown, dark brown when dry, sulcate. Petiole 2-3 cm; leaf blade lanceolate, elliptic, or oblanceolate, 7-18 × 3-6 cm, rigidly leathery, abaxially with scalelike glands, base often asymmetric and attenuate-cuneate to rarely acute or subrounded, margin obtusely undulate-dentate on apical part or rarely entire, apex caudate and often falcate; secondary veins 8-13 on each side of midvein; tertiary veins abaxially obscure. Inflorescences terminal at apex of current year's branches. Male inflorescences arranged in a panicle; rachis puberulent. Female inflorescence with cupules in clusters of ca. 3 or solitary, scattered on rachis. Infructescences 10-15 cm; rachis 4-5 mm thick. Cupule cupular, 6-10 mm × 1.4-2 cm, enclosing 1/10-1/6 of nut, wall 1-2 mm thick; bracts imbricate, triangular to rhomboid, lamellate, puberulent, margin and midvein ± ridged. Nut conical to broadly ellipsoid, 2.2-2.8 × 1.6-2.2 cm, apex rounded to obtuse, wall 1.5-2 mm thick; scar 0.9-1.2 cm in diam., concave. Fl. May-Jun, fr. Sep-Oct of following year.

* Broad-leaved evergreen forests; 400-700 m. Fujian, Guangdong, S Guangxi, Hainan, Hunan, S Jiangxi, Taiwan, Zhejiang


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