Quercus toumeyi

{{Short description|Species of tree}}

{{Speciesbox

| image =

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Beckman, E. |author2=Jerome, D. |date=2017 |title=Quercus toumeyi |volume=2017 |page=e.T34683A2854238 |doi=10.2305/IUCN.UK.2017-2.RLTS.T34683A2854238.en |access-date=17 November 2021}}

| genus = Quercus

| display_parents = 2

| parent = Quercus sect. Quercus

| species = toumeyi

| authority = Sarg.

| range_map = Quercus toumeyi range map 1.png

| range_map_caption = Natural range of Quercus toumeyi

| synonyms_ref = {{ThePlantList |id=kew-175525 |taxon=Quercus toumeyi |authority=Sarg.}}

| synonyms =

• Quercus chuhuichupensis C.H.Mull.
• Quercus hartmanii Trel.

}}

Quercus toumeyi, the Toumey oak, is a North American species of tree in the beech family. It is found in northwestern Mexico and the southwestern United States. It grows in Sonora, Chihuahua, Arizona, New Mexico, and the extreme westernmost tip of Texas (Franklin Mountains north of El Paso).{{BONAP |genus=Quercus |species=toumeyi |date=2014}}[http://swbiodiversity.org/seinet/taxa/index.php?taxon=3271&taxauthid=1 SEINet, Southwestern Biodiversity, Arizona chapter] photos, description, distribution map

Quercus toumeyi is a deciduous or subevergreen shrub or small tree. The bark is dark gray, almost black. The leaves are tiny for the genus, rarely more than {{Convert|3|cm|abbr=off|frac=4}} long, green and shiny on the top, and dull gray on the underside.{{eFloras|1|233501091|Quercus toumeyi |family=Fagaceae |first=Kevin C. |last=Nixon}}[https://www.biodiversitylibrary.org/page/34567438#page/106/mode/1up Sargent, Charles Sprague 1895. Garden & Forest 8: page 92] description and commentary in English[https://www.biodiversitylibrary.org/page/34567438#page/109/mode/1up Sargent, Charles Sprague 1895. Garden & Forest 8: page 95, figure 14] line drawing of Quercus toumeyi