Quercus yonganensis Lin & Huang

China (Fujian) ; 1000-1400 m ;

reaches 20 m tall;

13-18 x 4-6 cm; lanceolate to oblong; chartaceous, thick; apex acuminate; base slightly truncate or sometimes auricled; margin denticulate; concolorous when young, becoming glaucous and hairless beneath; midrib impressed adaxially; 14-17 vein pairs; tertiary veins reticulate; petiole 2.5-4 cm long;

acorn 1.4-1.8 cm long, 1.2-1.8 cm in diameter; ovoid or subglobose; cup 0.6-1.2 cm long, 1.4-1.8 cm wide, with 6-7 concentric rings covered outside with yellowish brown hairs; margin of rings entire (except the 2-3 basal ones that are irregularly denticulate); cup densely tomentose inside ; scar 6-11 cm in diameter;

not hardy;

– Sub-genus Cerris, Section Cyclobalanopsis;