''Quercus saravanensis'' is an Asian species of tree in the 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 ...

and the " ring-cupped oak" sub-genus. 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 also in the Province of

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 ...

in southwestern China.Flora of China, ''Cyclobalanopsis saravanensis'' (A. Camus) Hjelmquist, 1968. 薄叶青冈 bao ye qing gang
/ref> ''Quercus saravanensis'' is a large tree up to 50 m tall. Twigs are hairless. Leaves can be as much as 140 mm long, thin and papery. 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 ellipsoid, 15-20 × 15-20 mm, glabrous; the scar is approx. 8 mm in diameter.

References

External links

line drawing, Flora of China Illustrations vol. 4, fig. 378, drawings 1-4 at top
saravanensis Plants described in 1934 Trees of China Trees of Vietnam Trees of Laos Taxa named by Aimée Antoinette Camus {{Quercus-stub