Quercus petelotii

{{Short description|Species of oak tree}}

{{Speciesbox

|image =

|status = EN

|status_system = IUCN3.1

|status_ref = {{cite iucn |author= Carrero, C. |author2= Strijk, J.S. |date=2020 |title= Quercus petelotii |volume=2020 |page= e.T78971046A173042297 |doi= 10.2305/IUCN.UK.2020-3.RLTS.T78971046A173042297.en |access-date=13 November 2022}}

|genus = Quercus

|display_parents = 2

|parent = Quercus sect. Cyclobalanopsis

|species = petelotii

|authority = A.Camus

}}

Quercus petelotii is the accepted name of an endemic oak tree species in the beech family Fagaceae; there are no known sub-species. It is placed in subgenus Cerris, section Cyclobalanopsis.{{Cite web |last1=Denk |first1=Thomas |last2=Grimm |first2=Guido W. |last3=Manos |first3=Paul S. |last4=Deng |first4=Min |last5=Hipp |first5=Andrew L. |date=2017 |title=Appendix 2.1: An updated infrageneric classification of the oaks |website=figshare |doi=10.6084/m9.figshare.5547622.v1 |url=https://figshare.com/articles/dataset/Appendix_2_1_________An_updated_infrageneric_classification_of_the_oaks/5547622/1 |access-date=2023-02-24 |format=xls |name-list-style=amp }}

The species appears to be endemic to Vietnam, where it may be called sồi Petelot. The tree grows up to 20 m and has 20 mm acorns, produced from velvety cupules.Phạm Hoàng Hộ (2003) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. II publ. Nhà Xuẩt Bản Trẻ, HCMC, VN