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

3. Cyclobalanopsis camusiae (Trelease ex Hickel & A. Camus) Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 44. 1993.

法斗青冈 fa dou qing gang

Quercus camusiae Trelease ex Hickel & A. Camus in Lecomte, Fl. Indo-Chine 5: 957. 1929; Cyclobalanopsis faadoouensis Hu; Q. geminata Hickel & A. Camus (1923), not Small (1897).

Trees to 15 m tall. Branchlets brown tomentose when young, sparsely hairy with age. Petiole 2-3 cm, glabrous; leaf blade green, elliptic-lanceolate to oblanceolate, (9-)11-17 × 3-5 cm, leathery, glabrous, base cuneate to oblique, margin entire or rarely apically 2- or 3-serrulate, apex acuminate to shortly caudate; midvein adaxially raised; secondary veins 8-12 on each side of midvein; tertiary veins abaxially evident. Infructescence ca. 2 cm. Cupule shallowly bowl-shaped, ca. 8 mm × 2-2.5 cm, enclosing 1/2-2/3 of nut, outside and inside tawny tomentose, wall ca. 3 mm thick; bracts in 5-7 rings, margin entire. Nut subglobose, ca. 1.7 cm, pale brown sericeous; scar ca. 1 cm in diam., convex; stylopodium persistent, ca. 2 mm in diam. Fr. Sep.

Dense broad-leaved evergreen forests in mountains; 1400-2000 m. SE Yunnan [Vietnam]


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