''Quercus xanthotricha'' is an Asian species of tree in the beech family

Fagaceae The Fagaceae are a family of flowering plants that includes beeches, chestnuts and oaks, and comprises eight genera with about 927 species. Fagaceae in temperate regions are mostly deciduous, whereas in the tropics, many species occur as eve ...

. It has been found in northern Indochina ( Laos,

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it ...

) and in southern China (

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

).Flora of China, ''Cyclobalanopsis xanthotricha'' (A. Camus) Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 45. 1993. 思茅青冈 si mao qing gang
/ref> It is placed in subgenus ''Cerris'', section ''Cyclobalanopsis''. ''Quercus xanthotricha'' is a small tree up to 8 m. tall. Twigs are dark purple. Leaves can be as much as 80 mm long. The

acorn The acorn, or oaknut, is the nut of the oaks and their close relatives (genera '' Quercus'' and ''Lithocarpus'', in the family Fagaceae). It usually contains one seed (occasionally two seeds), enclosed in a tough, leathery shell, and bo ...

is ovoid to ellipsoid, 9-13 × 7–10 mm, with a scar that is 4–6 mm in diameter.

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* xanthotricha Plants described in 1938 Trees of Laos Trees of Vietnam Trees of China Taxa named by Aimée Antoinette Camus {{Quercus-stub