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Quercus graciliformis
Conservation status
Critically Endangered  (IUCN 2.3)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Section:	Lobatae
Species:	Q. graciliformis
Binomial name
Quercus graciliformis C.H.Mull. (1934)
Natural range of Quercus graciliformis
Synonyms
Quercus canbyi

Quercus graciliformis (also called Chisos oak or slender oak) is a rare North American species of trees in the beech family. It has been found only in the Chisos Mountains in western Texas and a few miles southeast in the State of Coahuila in Mexico. It is threatened by habitat loss.

Quercus graciliformis is a deciduous tree up to 8 meters (27 feet) tall. Leaves are elliptical or lance-shaped with 8-10 shallow lobes. It grows on dry, rocky canyon floors at elevations above 5,000 feet (1500 meters).

References

1. NRCS. "Quercus graciliformis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 30 July 2015.
2. Texas A&M University
3. Nixon, K. et al. 1998. Quercus graciliformis Archived June 27, 2014, at the Wayback Machine. 2006 IUCN Red List of Threatened Species. Archived June 27, 2014, at the Wayback Machine Downloaded on 23 August 2007.
4. Biota of North America Program 2014 county distribution map
5. Flora of North America, Quercus graciliformis 1934. Chisos oak

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• IUCN Red List critically endangered species
• Flora of Texas
• Flora of Coahuila
• Quercus
• Critically endangered plants
• Plants described in 1934
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