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).[3][4]

Quercus toumeyi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section: Quercus sect. Quercus
Species:
Q. toumeyi
Binomial name
Quercus toumeyi
Natural range of Quercus toumeyi
Synonyms[2]
  • Quercus chuhuichupensis C.H.Mull.
  • Quercus hartmanii Trel.

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 3 centimetres (1+14 inches) long, green and shiny on the top, and dull gray on the underside.[5][6][7]

References

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  1. ^ Beckman, E.; Jerome, D. (2017). "Quercus toumeyi". IUCN Red List of Threatened Species. 2017: e.T34683A2854238. doi:10.2305/IUCN.UK.2017-2.RLTS.T34683A2854238.en. Retrieved 17 November 2021.
  2. ^ "Quercus toumeyi Sarg.". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online
  3. ^ "Quercus toumeyi". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. ^ SEINet, Southwestern Biodiversity, Arizona chapter photos, description, distribution map
  5. ^ Nixon, Kevin C. (1997). "Quercus toumeyi". 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.
  6. ^ Sargent, Charles Sprague 1895. Garden & Forest 8: page 92 description and commentary in English
  7. ^ Sargent, Charles Sprague 1895. Garden & Forest 8: page 95, figure 14 line drawing of Quercus toumeyi
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