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Quercus john-tuckeri is a North American species of oak known by the common name Tucker oak, or Tucker's oak.[3] It is endemic to California, where it grows in the chaparral and oak woodlands of mountain slopes in the western Transverse Ranges, the southernmost Central Coast Ranges, and the margins of the Mojave Desert.[4] The species is named after John M. Tucker, professor of botany (1947–1986) at the University of California at Davis, specialist in Quercus. [3]
| Tucker's oak | |
|---|---|
 | |
Conservation status | |
Scientific 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. john-tuckeri |
| Binomial name | |
| Quercus john-tuckeri Nixon & C.H.Mull. | |
| Synonyms[2] | |
| |
Description
Quercus john-tuckeri is a bushy shrub growing up to 2 to 5 meters (6+1⁄2 to 16+1⁄2 feet) in height, sometimes becoming treelike, exceeding 6 m (20 ft). The branches are gray or brown, the twigs coated in short woolly fibers when new and becoming scaly with age. The evergreen leaves are leathery and thick, sometimes brittle. They are gray-green, the lower surface slightly paler. The undersides are hairy, the upper surfaces somewhat less so. The leaf blade is roughly oval, spine-toothed, and less than 4 centimeters (1+1⁄2 inches) long. The fruit is an acorn with a thin cap 1 to 1.5 cm (3⁄8 to 5⁄8 in) wide and a nut 2 to 3 cm (3⁄4 to 1+1⁄8 in) long.[5]
See also
References
- Jerome, D. (2020). "Quercus john-tuckeri". IUCN Red List of Threatened Species. 2020: e.T86583133A171682361. doi:10.2305/IUCN.UK.2020-2.RLTS.T86583133A171682361.en. Retrieved 12 November 2021.
- "Quercus john-tuckeri Nixon & C.H.Müll.". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.
- Nixon, K. C. and C. H. Muller. (1994). New names in California oaks. Novon 4:4 391-93.
- "Quercus john-tuckeri". Calflora. Berkeley, California: The Calflora Database.
- Nixon, Kevin C. (1997). "Quercus john-tuckeri". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
External links
- Jepson Manual treatment
- Quercus john-tuckeri in the CalPhotos photo database, University of California, Berkeley
 | This article about plants in the genus Quercus is a stub. You can help Wikipedia by expanding it. |
На других языках
- [en] Quercus john-tuckeri
[es] Quercus john-tuckeri
Quercus john-tuckeri es una especie arbórea de la familia de las fagáceas. Está clasificada en la Sección Quercus, que son los robles blancos de Europa, Asia y América del Norte. Tienen los estilos cortos; las bellotas maduran en seis meses y tienen un sabor dulce y ligeramente amargo, el interior de la bellota tiene pelo. Las hojas carecen de una mayoría de cerdas en sus lóbulos, que suelen ser redondeados.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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