SelecTree: Tree Detail

MUNZ'S OAK
Quercus × munzii

Quercus × munzii Quercus × munzii

Photo Locations: Joshua Tree

General Notes

A naturally occuring hybrid between Quercus lobata and Q. cornelius-mulleri. Single large tree in Joshua Tree National Park.

Native to California.

A Quercus × munzii in Joshua Tree National Park is registered as a California Big Tree. It measures 48 feet high, with a trunk circumference of 109 inches and a crown spread of 43 feet.

Family: Fagaceae

Tree Characteristics

Erect, Spreading or Weeping and requires ample growing space.

Oval, Rounded or Umbrella Shape.

Has Evergreen foliage.

Height: 50 - 70 feet.

Width: 50 feet.

Growth Rate: 24 to 36 Inches per Year.

Longevity Greater than 150 years.

Leaves Obovate and Lobed, Medium to Dark Green, Evergreen.

Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).

Prolific, Brown Acorn, Medium (0.50 - 1.50 inches), fruiting in Fall or Winter.

Bark Dark Brown, Light Gray or Light Green, Blocky or Furrowed.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 3 - 9 and 12 - 24.

USDA Hardiness Zones 7 - 9.

Exposure Full Sun to Partial Shade.

Moist to Dry Soil.

Loam or Sand Texture.

Slightly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Moderate Inland.

Seaside Tolerance is Not Suited.

Pests & Disease Information

Resistant to Oak Root Fungus and Verticillium. Susceptible to Beetle Borers, Caterpillars, Insect Galls and Scales, Crown Rot, Mistletoe and Root Rot.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium to Medium Strong.

Root Damage Potential Rated as Moderate.

Allergy and Poisonous Health Hazard.

Biogenic Emissions considered Moderate.

Fire Resistance is Favorable.

Desirable Wildlife Plant.

Attracts Birds and Squirrels.

Deer Palatable.

Cite this tree:
SelecTree. "Quercus × munzii Tree Record." 1995-2017. Dec 11, 2017.
< http://selectree.calpoly.edu/tree-detail/quercus-×-munzii >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.