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Loughmiller, Campbell and Lynn
Quercus emoryi Torr.
Emory oak, Black Oak, Bellota, Roble Negro, Holly Oak, Apache Oak, Desert Live Oak, Western Black Oak
USDA Symbol: QUEM
USDA Native Status: Native to U.S.
Emory oak is a 30-60 ft. oak with a round crown, very roughly furrowed black bark and nearly evergreen leaves. Glossy, leathery leaves, arranged in whorls, resemble holly leaves. They drop gradually in the spring with the new foliage appearing soon thereafter. Red acorns with have a yellow cap. Medium-sized evergreen tree with straight trunk, rough black bark, rounded crown, and shiny yellow-green leaves.
Emory Oak is the most characteristic tree of the oak woodland in mountains along the Mexican border. The acorns (bellotas in Spanish) are only slightly bitter and are gathered and eaten locally. They are also consumed in quantities by quail, wild turkeys, squirrels, and other wildlife. The foliage is browsed by deer and, to a lesser extent, by livestock. This species was named for its discoverer, William Hemsley Emory (1811-87), leader of two southwestern expeditions.
Bloom InformationBloom Color: Yellow
Bloom Time: Mar , Apr , May
Bloom Notes: Yellow catkins.
AZ , NM , TX Native Distribution:
Mts. of Trans-Pecos, TX to c. AZ & n.w. Mex. Native Habitat:
Dry foothills; moist canyons; 5000 ft. USDA Native Status: L48(N)
Growing ConditionsWater Use: Low , Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
Soil pH: Alkaline (pH>7.2) , Acidic (pH<6.8) , Circumneutral (pH 6.8-7.2)
Drought Tolerance: Medium
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Grows in a variety of soils derived from varying parent rock. In the wild, often grows in sandy loam or silty-gravelly soil of igneous parentage.
BenefitUse Ornamental: Attractive
Use Wildlife: Fruit-mammals, Fruit-birds, Nesting site, Substrate-insectivorous birds, Cover, Provides food and cover for deer, javelina, quail, turkey, desert bighorn sheep, birds.
Nectar Source: yes
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
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Record Modified: 2009-12-10
Research By: TWC Staff