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

13. Cyclobalanopsis chungii (F. P. Metcalf) Y. C. Hsu & H. W. Jen ex Q. F. Zheng, Fl. Fujian. 1: 405. 1982.

福建青冈 fu jian qing gang

Quercus chungii F. P. Metcalf, Lingnan. Sci. J. 10: 481. 1931.

Trees to 15 m tall. Branchlets densely brown velutinous, glabrescent. Petiole (0.5-)1-2 cm, grayish brown velutinous; leaf blade elliptic to rarely obovate-elliptic, 6-10(-12) × 1.5-4 cm, subleathery, abaxially densely grayish brown stellate tomentose (hairs 8-10-forked), base broadly cuneate to subrounded, margin serrulate toward apex or rarely entire but not recurved, apex acute to somewhat caudate; midvein and secondary veins abaxially prominent, adaxially flat; secondary veins 10-15 on each side of midvein, abaxially raised; tertiary veins abaxially conspicuous. Female inflorescences 1.5-2 cm, rachis and bracts densely brown tomentose, cupules 2-6. Infructescences 1.5-3 cm. Cupule saucer-shaped, 5-8 mm × 1.5-2.3 cm, covering base of nut, outside and inside grayish brown tomentose, wall ca. 2 mm thick; bracts in 6 or 7 rings, margin of basal 2 denticulate, others entire. Nut oblate, ca. 1.5 × 1.4-1.7 cm, velutinous, apex rounded; scar ca. 1 cm in diam., flat or depressed.

* Broad-leaved evergreen forests on mountain slopes and in valleys; 200-800 m. Fujian, Guangdong, Guangxi, Hunan, Jiangxi


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