Quercus arizonica
Common name: 
Arizona Oak
Arizona White Oak
kwer-KUS air-ih-ZAWN-ih-kuh
Native to (or naturalized in) Oregon: 
  • Broadleaf evergreen (or nearly so) shrub at high elevations, but in low canyons, a tree to 30-60 ft (9–18 m) tall, irregular spreading stout branches, round-topped symmetrical crown.  Leaves alternate, simple, leathery, 4-7.5 cm long and 2-4 cm wide, oblong or obovate, margin spiny or more or less entire, base rounded or heart- shaped, parallel veins, blue-green above and duller below.  Male flowers are borne in yellowish-green catkins 5-7.5 cm in length, female flowers on short stems.  Acorns solitary or paired, 2-2.5 cm long, stalkless, or nearly so, enclosed by a deep cup with fine hairy scales; mature in 1 year.
  • Sun
  • Hardy to USDA Zone 7      Native to Arizona and east to New Mexico and southwestern Texas, and south into Mexico.  The large tree shown here is the so-called "jail tree" of Oracle, Arizona.  In the late 1800's, criminals were chained to the tree until the sheriff could arrive from a nearby town (C. Holleman).
Click image to enlarge
  • plant habit (C. Holleman)

    plant habit (C. Holleman)

  • canopy of larger tree

    canopy of larger tree

  • leaves


  • leaves and acorn (C. Holleman)

    leaves and acorn (C. Holleman)

  • trunk, bark

    trunk, bark