Quercus robusta

{{Short description|Species of oak tree}}

{{speciesbox

|status = DD

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Beckman, E. |date=2017 |title=Quercus robusta |volume=2017 |page=e.T34021A88668862 |doi=10.2305/IUCN.UK.2017-2.RLTS.T34021A88668862.en |access-date=18 November 2021}}

|genus = Quercus

|display_parents = 2

|parent = Quercus sect. Lobatae

|species = robusta

|authority = C.H.Muller{{cite journal |last=Muller |first=Cornelius Herman |date=1934 |title=Some new oaks from Western Texas |periodical=Torreya |volume=34 |issue=5 |pages=[https://www.biodiversitylibrary.org/page/32129381 119]–120 |postscript=: descriptions in English and Latin, commentary in English.}}

|}}

Quercus robusta, also called robust oak, is a rare North American species of oak. It has been found only in the Chisos Mountains inside Big Bend National Park in western Texas.

Quercus robusta is a deciduous tree growing up to {{Convert|13|m|abbr=off}} tall. The bark is black or brown, the twigs dark reddish brown. The leaves are up to {{Convert|12|cm|abbr=off|frac=4}} long, with a few teeth or small lobes along the edges. The tree grows in moist, wooded canyons.{{eFloras|1|233501078|Quercus robusta |family=Fagaceae |first=Kevin C. |last=Nixon}}