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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.[1]

Quercus robusta
Conservation status

Data Deficient  (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. Quercus
Section: Quercus sect. Lobatae
Species:
Q. robusta
Binomial name
Quercus robusta

Quercus robusta is a deciduous tree growing up to 13 metres (43 feet) tall. The bark is black or brown, the twigs dark reddish brown. The leaves are up to 12 centimetres (4+3⁄4 inches) long, with a few teeth or small lobes along the edges. The tree grows in moist, wooded canyons.[3][2]


References


  1. Beckman, E. (2017). "Quercus robusta". IUCN Red List of Threatened Species. 2017: e.T34021A88668862. doi:10.2305/IUCN.UK.2017-2.RLTS.T34021A88668862.en. Retrieved 18 November 2021.
  2. Muller, Cornelius Herman (1934). "Some new oaks from Western Texas". Torreya. 34 (5): 119–120: descriptions in English and Latin, commentary in English.{{cite journal}}: CS1 maint: postscript (link)
  3. Nixon, Kevin C. (1997). "Quercus robusta". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.



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