Quercus macrocalyx Hickel & A.Camus

Laos, Vietnam, China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Jiangxi, Tibet, Yunnan) ; 500-1800 m ;

to 25 m tall;

13-24 x 4-8 cm; chartaceous; oval-oblong or oblong; apex attenuate shortly acuminate; base cuneate; margin entire or with small teeth near apex; glabrous on both sides (young leaves densely orange brownish tomentose); whitish beneath; midvein slightly raised above; 10-15 veins pairs prominent beneath;  tertiary veins conspicuous; petiole 2-6 cm long, tomentose at first, becoming glabrous;

in March-April; male inflorescences 10-15 cm long, densely tawny tomentose; pistillate inflorescences solitary, 2.5-3.5 cm long, bearing 4-5 cups, with thick rachis densely orange-brownish tomentose.

acorn 3-4 cm long, 2-3 cm in diameter, 4-5 together on a 7 mm thick rachis (thicker than twig), almost all covered by thick cup; cupule campanulate, thick, with brown pubescence inside and outside, with 9-13 yellowish white pubescent, subentire rings; basal scar convex ; stylopodium persistent ; maturing in 2 years, from October to December;

not hardy; prefers granitic soils; wet mountain subtropical forests;

– A. Camus : tome 1, p. 178, n° 1; – Sub-genus Cerris, Section Cyclobalanopsis; – Section Semiserrata, sub-section Semiserratae ( Menitsky ). – Today’s authors, in 2006, M. Deng and Z.K.Zhou have proved C. fleuryi to be a synonym.