Quercus edithiae

Quercus edithiae is a species of tree in the family Fagaceae and the "ring-cupped oak" sub-genus. It has been found in Vietnam, southern China and Hong Kong. In Vietnam it is called sồi editha. It is placed in subgenus Cerris, Quercus [sect. Cyclobalanopsis|section Cyclobalanopsis].
Quercus edithiae is a tree up to 20 m. tall with hairless twigs.
The leathery leaves are glabrous, oblong-elliptic to obovate, 50-160 × 20–60 mm, with a 20–30 mm petiole.
The acorn is ellipsoid to cylindric-ellipsoid, 30-45 × 20–30 mm, with a scar approx. 7 mm in diameter.