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

53. Castanopsis wattii (King ex J. D. Hooker) A. Camus, Châtaigniers. 421. 1929.

变色锥 bian se zhui

Castanopsis tribuloides (Smith) A. de Candolle var. wattii King ex J. D. Hooker, Fl. Brit. India 5: 623. 1888.

Trees 15-20 m tall. Young shoots purplish brown, sparsely pubescent, glabrescent, or glabrous. Petiole 0.8-1.5 cm; leaf blade narrowly ovate, lanceolate, or narrowly oblong, (7-)11-20 × 3-5 cm, firmly papery, base broadly cuneate to acute and oblique, margin apically with 2-5 shallow teeth, apex long acuminate; midvein adaxially impressed; secondary veins 13-19 on each side of midvein. Female inflorescence ca. 20 cm; rachis glabrous. Female flowers 3 per cupule. Cupule subglobose when mature, ca. 3 cm in diam., outside and bracts yellowish gray villous and with red to brownish small lamellate waxy scalelike trichomes, wall 1-1.5 mm thick; bracts spinelike, 5-8 mm, several basally or apically connate into bundles. Nuts (1 or)2 or 3 per cupule, 2-2.5 × 1-1.5 cm, hairy; scar basal, triangular to lenticular, 7-10 mm in diam. Fl. Jul-Sep, fr. Aug-Oct of following year.

Broad-leaved evergreen forests; 900-1700 m. SE Xizang (Mêdog Xian), W Yunnan [NE India, Sikkim]

Reports in the literature of Castanopsis rufescens J. D. Hooker & Thomson ex A. Camus in China are referable to C. wattii.


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