Biology:Quercus graciliformis
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Short description: Species of tree
| Quercus graciliformis | |
|---|---|
Scientific classification 
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| 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. graciliformis
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| Binomial name | |
| Quercus graciliformis C.H.Mull.
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| Natural range of Quercus graciliformis | |
| Synonyms | |
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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, and a few miles southeast into the state of Coahuila in northeast Mexico.[4] It is threatened by habitat loss.[1][5]
It grows on dry, rocky canyon floors at elevations above 1,500 m (5,000 ft).[3]
References
- ↑ 1.0 1.1 Beckman, E. (2017). "Quercus graciliformis". IUCN Red List of Threatened Species 2017: e.T30954A63729730. doi:10.2305/IUCN.UK.2017-2.RLTS.T30954A63729730.en. https://www.iucnredlist.org/species/30954/63729730. Retrieved 16 November 2021.
- ↑ "Quercus graciliformis". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=QUGR.
- ↑ 3.0 3.1 Nixon, Kevin C. (1997), "Quercus graciliformis", in Flora of North America Editorial Committee, Flora of North America North of Mexico (FNA), 3, New York and Oxford, http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501039
- ↑ Texas A&M University
- ↑ "Quercus graciliformis", County-level distribution map from the North American Plant Atlas (NAPA) (Biota of North America Program (BONAP)), 2014, http://bonap.net/MapGallery/County/Quercus%20graciliformis.png
Wikidata ☰ Q3006265 entry
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