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

44. Cyclobalanopsis argyrotricha (A. Camus) Chun & Y. T. Chang ex Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 45. 1993.

贵州青冈 gui zhou qing gang

Quercus argyrotricha A. Camus, Bull. Mus. Natl. Hist. Nat., ser. 2, 3: 689. 1931.

Trees. Branchlets yellowish brown tomentose when young, glabrescent. Petiole 1-2 cm, tomentose when young, glabrescent; leaf blade ovate to obovate-elliptic, 6.5-12 × 2-4.5 cm, leathery, abaxially yellowish gray and with stellate velutinous hairs, adaxially bright green, base rounded and oblique, margin remotely minutely serrate, apex acuminate, mucronate; midvein and secondary veins adaxially flat; secondary veins 9-14 on each side of midvein; tertiary veins obscure on both surfaces. Infructescences less than 1 cm, 1-fruited. Cupule cupular, 5-7 mm × 1-1.7 cm, enclosing ca. 1/2 of nut, outside golden tomentose, inside yellowish brown sericeous, wall ca. 2 mm thick; bracts in 6 or 7(-9) rings. Nut broadly ovoid, 0.8-1.5 cm, golden tomentose, apex rounded; stylopodium persistent, 3-lobed.

* Broad-leaved evergreen forests on mountain slopes and in valleys; circa 1600 m. Guizhou


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