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Wasowski, Sally and Andy
Quercus grisea Liebm.
Gray oak, Mexican blue oak
USDA Symbol: qugr3
USDA Native Status: Native to U.S.
Gray oaks are large shrubs or small trees reaching a maximum height of 30 ft. Deciduous, leathery, oval leaves are dull, blue-green, sometimes turning crimson in fall. Low clump-forming shrub or small tree, sometimes medium-sized, with grayish foliage.
Of greatest size in moist canyons, Gray Oak is most common as a shrub in New Mexico. It is easily seen in the Chisos Mountains in Big Bend National Park. It is closely related to Arizona White Oak, a larger tree with larger leaves and sunken veins. Common and scientific names describe the color of the foliage.
Bloom InformationBloom Time: Mar , Apr , May
AZ , CO , NM , TX Native Distribution:
Mts. of s.w. & Trans-Pecos, TX, w. to AZ; also n. Mex. Native Habitat:
Rocky, igneous or dolomitic slopes & canyons USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Cold Tolerant: yes
Soil Description: Igneous, Limestone-based, Acid-based, Sandy, Dry, igneous soils.
Conditions Comments: Not Available
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Texas Parks and Wildlife Department
- Austin, TX
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Record Modified: 2008-04-01
Research By: TWC Staff