Quercus urbani

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Quercus urbani
Quercus Urbanii.jpg
Scientific classification OOjs UI icon edit-ltr.svg
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. urbani
Binomial name
Quercus urbani

Quercus urbani, also known as Quercus urbanii, is a species of oak. It is native to western and central Mexico from Sinaloa, Durango, and Zacatecas to Oaxaca. [2] [3] It was previously synonymized with Quercus pennivenia , but this was restored as an independent species in 2020. [4]

Contents

Description

Quercus urbani is a deciduous tree up to 10 metres (33 feet) tall with a trunk as much as 30 centimetres (12 inches) in diameter. The leaves are thick and leathery, up to 30 cm long, broadly egg-shaped (almost round), with pointed teeth along the edges. [2] [5]

Distribution and habitat

Quercus urbani is native to central Mexico (south to northern Guerrero). [6] While still synonymized with Quercus pennivenia, it was said to have a disjunct distribution across several mountain ranges in Mexico, including the western slope of the southern Sierra Madre Occidental, the south-central Trans-Mexican Volcanic Belt including the Sierra de Taxco, and the Sierra Madre del Sur. [1]

Quercus urbani found on reddish sterile igneous soil, between 1,800 and 2,200 meters elevation. It typically grows in monspecific stands, and sometimes with pines and other oaks. In pine forests it is often associated with Pinus lumholtzii . Quercus urbani forms a lower woody stratum with young P. lumholtzii trees, Quercus crassifolia, Juniperus deppeana , and Nolina durangensis . [1]

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References

  1. 1 2 3 Jerome, D. 2018. Quercus urbanii. The IUCN Red List of Threatened Species 2018: e.T78978554A78978568. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T78978554A78978568.en. Accessed on 22 August 2022.
  2. 1 2 Romero Rangel, S., E. C. Rojas Zenteno & M. L. Aguilar Enríquez. 2002. El género Quercus (Fagaceae) en el estado de México. Annals of the Missouri Botanical Garden 89(4): 551–593 in Spanish, with line drawings of each species
  3. ↑ McVaugh, R. 1974. Flora Novo-Galiciana: Fagaceae. Contributions from the University of Michigan Herbarium 12(1,3): 1–93
  4. ↑ McCauley, Ross A. & Oyama, Ken (2020). "A re-evaluation of taxonomy in Quercus section Lobatae subsection Racemiflorae (Fagaceae), resurrection of the name Q. pennivenia and description of a new taxon, Q. huicholensis". Phytotaxa. 471 (3). doi:10.11646/phytotaxa.471.3.6.
  5. ↑ Martínez Martínez, M. 1951. Los encinos de México y Centroamérica. Anales del instituto de Biología de la Universidad Nacional de México 22(2): 351–368
  6. ↑ "Quercus urbani Trel". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-03-01.
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