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Quercus chapensis is an uncommon species of tree in the family Fagaceae and the "ring-cupped oak" sub-genus. It has been found in Vietnam and also in southern China, in the Province of Yunnan.[2]

Quercus chapensis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cyclobalanopsis
Species:	Q. chapensis
Binomial name
Quercus chapensis Hickel & A.Camus
Synonyms[1]
Cyclobalanopsis chapensis (Hickel & A. Camus) Y.C. Hsu & H.Wei Jen

Quercus chapensis is a tree up to 20 m (66 ft) tall and leaves as much as 20 cm (7.9 in) long. The acorn is oblate, 10–22 mm (0.39–0.87 in) by 15–27 mm (0.59–1.06 in), glabrous or pilose at base which is flat, apex rounded to slightly depressed; the scar is approximately 15 mm (0.59 in) in diameter.[2]

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