Quercus jinpinensis C.C.Huang

China (SE Yunnan ) ;

tree;

7-11 x 3-4.5 cm; oblong-elliptic; apex acuminate, base narrowly rounded; margin apical 1/3 slightly serrate; weakly hairy beneath (essentially along veins); 12-14 vein pairs; tertiary veins slender, evident underside; petiole hairless, 1-1.5 cm long;

acorn ovoid, 1.8 cm long, 1.5 cm wide, glabrous; enclosed 1/2 by cup; cup stalkless, 1.5 cm long, 1.8 cm wide, apically strongly tomentose; 9-11 concentric rings, margin basal ones denticulate, others entire; scar 1 cm wide, flat.

– Sub-genus Cerris, Section Cyclobalanopsis;