Quercus gilva, the red-bark oak, is a species of tree in the beech family Fagaceae. It has been found in Japan, Korea, and southeastern China (Fujian, Guangdong, Guizhou, Hunan, Taiwan, Zhejiang). It is placed in subgenus Cerris, section Cyclobalanopsis.Quercus gilva is a tree which grows to 30 meters (98 ft) tall with orangish-brown twigs. Leaves can be as much as 12 cm long (4.7 in).