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

38. Cyclobalanopsis edithiae (Skan) Schottky, Bot. Jahrb. Syst. 47: 650. 1912.

华南青冈 hua nan qing gang

Quercus edithiae Skan, Hooker’s Icon. Pl. 27: t. 2661. 1901; Q. tephrosia Chun & W. C. Ko.

Trees to 20 m tall. Branchlets slightly angular, glabrous; 2nd-year branchlets lenticellate; lenticels loose, small. Petiole 2-3 cm, glabrous; leaf blade oblong-elliptic to somewhat obovate, 5-16 × 2-6 cm, leathery, adaxially dark green, grayish, or whitish, base cuneate, margin apical 1/3 remotely serrulate, apex with a short, blunt tip; midvein adaxially flat; secondary veins 9-12 on each side of midvein, inconspicuous; tertiary veins abaxially conspicuous. Female inflorescences 1-2 cm; cupules 3 or 4. Infructescence rachis short, ca. 1 cm thick, with 1 or 2 fruit. Cupule bowl-shaped, 1.2-1.5 × 1.8-2.5 cm, enclosing 1/4-1/3 of nut, outside orangish brown velutinous, inside orangish brown prostrate villous, wall 2-3 mm thick; bracts in 6-8 rings, margin of basal 2 or 3 subentire, others denticulate. Nut ellipsoid to cylindric-ellipsoid, 3-4.5 × 2-3 cm; scar ca. 7 mm in diam., slightly convex; stylopodium persistent, umbonate, puberulent. Fr. Oct-Dec.

Broad-leaved evergreen forests in mountains; 400-1800 m. Guangdong, Guangxi, Hainan [Vietnam]


 

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