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

101. Lithocarpus collettii (King ex J. D. Hooker) A. Camus, Chenes, Atlas. 3: 117. 1948.

格林柯 ge lin ke

Quercus spicata Smith var. collettii King ex J. D. Hooker, Fl. Brit. India 5: 610. 1888; Lithocarpus gelinicus C. C. Huang & Y. T. Chang, nom. illeg. (included Q. spicata var. collettii); L. himalaicus C. C. Huang & Y. T. Chang.

Trees 8-25 m tall. Branchlets of current year purplish brown, sulcate, sparsely hairy and with early glabrescent, stellate scalelike trichomes. Petiole 1-1.5 cm, base thickened; leaf blade oblong, elliptic, or obovate-elliptic, (6-)15-28 × 3.5-5(-11) cm, thinly papery to rigid and crustaceous, abaxially with scalelike trichomes when young and glaucous with age, base attenuate, decurrent on petiole, and sometimes asymmetric, margin entire, apex acute, acuminate, or shortly caudate; midvein sparsely hairy abaxially; secondary veins (6-)14-20 on each side of midvein, adaxially impressed, abruptly curving apically, fusing near margin; tertiary veins abaxially reticulate. Infructescence ca. 4 cm; rachis ca. 4 mm thick, obscurely lenticellate; cupules in clusters of 3-5 but 1 or 2 developed. Cupule cupular, 4-10 mm × 1.5-2.2 cm, enclosing ca. 1/4 of nut, wall woody and basally thickened; bracts broadly triangular, with grayish minute hairs. Nut depressed globose to broadly conical, 1.2-1.5 × 1.5-2 cm, glabrous, apex flat to rounded; scar 0.8-1.5 cm in diam., concave. Fr. Aug.

Broad-leaved evergreen forests, on slopes and along river banks; 700-2400 m. SE Xizang (Mêdog Xian) [NE India, NE Myanmar, N Thailand]


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