Quercus longinux is an uncommon Asian species of trees in the beech family Fagaceae.

[2] It is placed in subgenus Cerris, section Cyclobalanopsis.

[3] Quercus longinux is a tree.

Acorn is up to 12 mm long, narrower than those of most other species in the subgenus.

This article about plants in the genus Quercus is a stub.