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 | |
|---|---|
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
edit- ^ a b 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.
- ^ a b 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) - ^ 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: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
External links
edit- Online Plant Guide includes habit photo of cultivated specimen
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