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| |genus = '']'' | |genus = '']'' | ||
| |sectio = '']'' | |sectio = '']'' | ||
| |species = ''Q. graciliformis'' | |species = '''''Q. graciliformis''''' | ||
| |binomial = ''Quercus graciliformis'' | |binomial = ''Quercus graciliformis'' | ||
| |binomial_authority = ] (1934) | |binomial_authority = ] (1934) | ||
Revision as of 23:27, 12 January 2017
| 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
- NRCS. "Quercus graciliformis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 30 July 2015.
- Texas A&M University
- 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.
- Biota of North America Program 2014 county distribution map
- Flora of North America, Quercus graciliformis 1934. Chisos oak
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