Castanopsis fissa

Species: Castanopsis fissa

English Name: Evergreen Chinkapin

Chinese Name: 黧蒴錐

Family: Fagaceae

Trees; bud scales, shoot apexes, and young leaf blades abaxially yellowish brown puberulent and covered with rust-colored, small, lamellate, slightly adnate, waxy scalelike trichomes. Branchlets red-purple, prominently angular. Leaves spirally arranged, yellowish brown to gray; petiole 1-2.5 cm; leaf blade oblong to obovate-elliptic, very variable in sizes, often 15-25 × 5-9 cm, thickly papery, base cuneate, margin from base to middle undulate and crenate, apex acute, acuminate, or rounded; midvein raised adaxially; secondary veins 20-28 on each side of midvein or rarely fewer. Infructescence 8-18 cm; rachis glabrous. Cupule 1-1.5 cm in diameter, irregularly 2- or 3(or 4)-valved with valves often curled, covered with dark reddish brown mealy waxy scalelike trichomes, apex slightly cuspidate, wall 0.5-1 mm thick; bracts scalelike, triangular to squarish, imbricate when young but mostly united and in ring ribs with age. Nut globose to elliptic, 1.3-1.8 × 1.1-1.6 cm, apically brown-red tomentose; scar basal, 4-7 mm in diam. Fl. Apr-Jun, fr. Oct-Dec.

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– Wu ZY, Raven PH, Hong DY (eds) (1994). Flora of China, Volume 4: UCycadaceae through Fagaceae. Science Press, Beijing, and Missouri Bot Garden Press, St. Louis