岭南青冈 ling nan qing gang

Quercus championii Bentham, Hooker’s J. Bot. Kew Gard. Misc. 6: 113. 1854.

Trees to 20 m tall; trunk to 1 m d.b.h.; bark dark ashy and slice splitting. Branchlets sulcate, densely grayish brown stellate tomentose. Leaves crowded toward branchlet apex; petiole 0.8-1.5 cm, densely pale orangish brown tomentose; leaf blade obovate, sometimes oblong-elliptic, 3.5-10(-13) × 1.5-4.5 cm, thickly leathery, abaxially pale orangish brown mealy and densely stellate tomentose, hairs pale orangish brown when young but darker with age, adaxially dark green and glabrous, base cuneate, margin recurved and entire or rarely undulate-crenate toward apex, apex with a short, blunt tip to rarely retuse; midvein and secondary veins adaxially impressed; secondary veins 6-10 on each side of midvein; tertiary veins abaxially obscure. Female inflorescences to 4 cm, brown velutinous; cupules 3-10. Cupule bowl-shaped, 4-10 mm × 1-1.3(-2) cm, enclosing 1/3-1/2 of nut, outside brown to brownish velutinous, inside densely pale yellowish brown tomentose, wall ca. 1 mm thick; bracts in 4-7 rings, margin usually entire or sometimes basal 1 or 2 undulately denticulate. Nut broadly ovoid to oblate, 1.5-2 × 1-1.5(-1.8) cm, hairy when young, glabrescent, base and apex rounded; scar 4-5 mm in diam., flat. Fl. Dec-Mar, fr. Nov-Dec.

* Broad-leaved evergreen forests in mountains; 100-1700 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan