Quercus boyntonii

{{Short description|Species of oak tree}}

{{Speciesbox

| image = Quercus Boyntonii.jpg

| status = CR

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Kenny, L. |author2=Wenzell, K. |author3=Beckman, E. |date=2016 |title=Quercus boyntonii |volume=2016 |page=e.T33635A176953395 |doi=10.2305/IUCN.UK.2016-1.RLTS.T33635A176953395.en |access-date=17 November 2021}}

| genus = Quercus

| display_parents = 2

| parent = Quercus sect. Quercus

| species = boyntonii

| authority = Beadle

| synonyms_ref = {{ThePlantList |id=kew-171832 |taxon=Quercus boyntonii |authority=Beadle}}

| synonyms = *Quercus stellata var. boyntonii (Beadle) Sarg.

}}

Quercus boyntonii is a rare North American species of oak in the beech family. At present, it is found only in Alabama, although historical records say that it formerly grew in Texas as well.{{BONAP |genus=Quercus |species=boyntonii |date=2014}} It is commonly called the Boynton sand post oak{{PLANTS|id=QUBO2|taxon=Quercus boyntonii|access-date=30 July 2015}} or Boynton oak.

Quercus boyntonii is a rare and poorly known species. It is a shrub or small tree, sometimes reach a height of 6 meters (20 feet) but usually smaller. Leaves are dark green, hairless and shiny on the upper surface, covered with many gray hairs on the underside.{{eFloras|1|233501013|Quercus boyntonii |family=Fagaceae |first=Kevin C. |last=Nixon}}