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Quercus arizonica, the Arizona white oak, is a North American tree species in the beech family. It is found in Arizona , New Mexico , western Texas , Sonora , Chihuahua , Coahuila , Sinaloa , and Durango .
In the northern Sierra of northern Sonora and Chihuahua, blue oak (Q. oblongifolia), Emory oak (Q. emoryi) or Arizona oak (Q. arizonica) grow in pure stands, or mixed stands with Mexican pinyon (Pinus cembroides), Pinus leiophylla var. chihuahuana, madroño (Arbutus arizonica), Quercus grisea, and Quercus chihuahuensis.
The oak woodlands from 800–1,200 metres (2,600–3,900 ft) in elevation are warmer and drier, with evergreen oaks predominant (principally Quercus devia; Quercus arizonica and Quercus rugosa have a limited distribution), along with lower trees and shrubs such as Dodonaea viscosa, Sideroxylon peninsulare, and Buddleia crotonoides. [3]
The genus Quercus contains about 500 known species, plus about 180 hybrids between them. [1] The genus, as is the case with many large genera, is divided into subgenera and sections. Traditionally, the genus Quercus was divided into the two subgenera Cyclobalanopsis, the ring-cupped oaks, and Quercus, which included
Quercus alba, the species most commonly known as the white oak; Quercus bicolor, swamp white oak; Quercus arizonica, Arizona white oak; Quercus garryana, Oregon white oak or Garry oak; Quercus lobata, California white oak or valley oak; Quercus polymorpha, Mexican white oak or Monterrey oak; Lagunaria patersonia, the Queensland white oak
Q. Quercus acutifolia; Quercus albocincta; Quercus arizonica; Quercus × basaseachicensis; Quercus calophylla; Quercus castanea; Quercus chihuahuensis; Quercus ...
Sixty years ago my wife and I bought the Shawnee house lot where I now live, a site rich in life, from Quercus macrocarpa for huge burr oaks in the backyard, to Plodia interpunctella, for the ...
The Mexican blue oak is common at elevations of 1,200 to 1,800 m (4,000–6,000 ft).It is often found on thin sandy soils in semi-arid regions and is the dominant species in lower open oak woodland where it grows in association with Arizona white oak (Quercus arizonica) and Emory oak (Quercus emoryi). [7]