Quercus rupestris

Quercus rupestris^[2] is a small tree species in the beech family Fagaceae.^[3][4] It is placed in subgenus Cerris, section Cyclobalanopsis.^[5]

Quercus rupestris
Conservation status
Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cerris
Section:	Quercus sect. Cyclobalanopsis
Species:	Q. rupestris
Binomial name
Quercus rupestris Hickel & A.Camus

This is a small tree species, growing to 5–6 m, which appears to be endemic to Vietnam, where it may be called sồi vùng đá^[6] There are no known sub-species.^[3]