UC Integrated Hardwood Range Management Program

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Engelmann Oak Characteristics



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Line Drawing of Leaf and Acorn-Engelmann Oak
Engelmann Oak
Scientific name
Quercus engelmannii Greene


Common names
Engelmann, mesa


Height
20 to50 ft.


Mature Tree DBH (Diam. at Breast Ht.)
1-2 ft.


Longevity
100-200 yrs.


Sprouting
Variable sprouter


Acorn
Matures first year


Foliage
Considered deciduous but foliage may persist during winter; similar toblue-gray color of blue oak

Foliage of Engelmann Oak Branch of Foliage of Engelmann Oak


Shade Tolerance
Seedlings tolerant, mature trees intolerant


Fire Tolerance
Very tolerant of hot fires
Fire Tolerance of Engelmann Oak Fire Tolerance of Engelmann Oak Fire Tolerance of Engelmann Oak


Elevation
Under 4000 feet


Associates
In pure stands and with coast live oak


Sites
Warm, dry fans and foothills


General Notes
Very limited range in southern California makes protection a high priority



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