Quercus austrocochinchinensis is an uncommon species of tree in the beech family Fagaceae. It has been found in Vietnam and Thailand as well as Yunnan Province in southern China.[1] It is placed in subgenus Cerris, section Cyclobalanopsis.[2]
Quercus austrocochinchinensis is a tree up to 15 m. tall, with brown twigs and leaves as much as 200 mm long. The acorn is oblate, 11-14 × 13-18 mm, angular, yellowish-brown tomentose, with rounded apex; the scar is approx. 12 mm in diameter.[1]