Quercus graciliformis

Quercus graciliformis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section: Quercus sect. Lobatae
Species:
Q. graciliformis
Binomial name
Quercus graciliformis
Natural range of Quercus graciliformis

Quercus graciliformis (also known as the Chisos oak or slender oak) is a rare North American species of oak tree.[2]

Description

Quercus graciliformis is a deciduous tree up to 8 metres (26 feet) tall. The leaves are elliptical or lance-shaped with 8–10 shallow lobes.[3] The acorns are produced biennially.

Distribution

The species has been found only in the Chisos Mountains, within Big Bend National Park of West Texas.[4] It may also be native the state of Coahuila in northeast Mexico.[5] It is threatened by habitat loss.[1][6]

It grows on dry, rocky canyon floors at elevations above 1,500 m (5,000 ft).[3]

References

  1. 1 2 Beckman, E. (2017). "Quercus graciliformis". IUCN Red List of Threatened Species. 2017 e.T30954A63729730. doi:10.2305/IUCN.UK.2017-2.RLTS.T30954A63729730.en. Retrieved 16 November 2021.
  2. ↑ NRCS. "Quercus graciliformis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 30 July 2015.
  3. 1 2 Nixon, Kevin C. (1997). "Quercus graciliformis". 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.
  4. ↑ "Quercus graciliformis C.H.Mull". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 1 July 2026.
  5. ↑ Texas A&M University
  6. ↑ Kartesz, John T. (2014). "Quercus graciliformis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP).