Quercus asymmetrica is an oak tree species in the beech family Fagaceae. It is found in China (specifically, Guangxi Province and Hainan Province, where it is called æÂÂçÂÂéÂÂå tuo pan qing gang) and northern Vietnam. It is placed in subgenus Cerris, section Cyclobalanopsis.
Quercus asymmetrica is a tree growing up to 15 m tall, with branchlets that are conspicuously angular when young; by second year, they become glabrous with occasional lenticels. The leaves are leathery, elliptic to ovate-lanceolate, 50-120 à25âÂÂ60 mm and have 9-11 secondary veins on each side of mid-vein. The acorns are oblate, 25âÂÂ28 mm in diameter, greyish-brown, with a scar 15âÂÂ20 mm in diameter, impressed or flat. The cupules are 20âÂÂ30 mm in diameter. A persistent stylopodium is approximately 40 mm in diameter. In China, flowering is in MayâÂÂJune and acorns may be found in OctoberâÂÂNovember of the following year.