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Quercus fusiformis (Escarpment live oak)
Flaigg, Norman G. (Kerrville, TX)

Quercus fusiformis Small

Escarpment live oak, Plateau live oak, Texas live oak, Scrub live oak, Plateau oak

Fagaceae (Beech Family)

Synonyms: Quercus virginiana var. fusiformis

USDA Symbol: qufu

USDA Native Status: Native to U.S.

Plateau oak or Escarpment live oak is a thicket-forming shrub or large, spreading tree that is nearly identical in appearance to, and considered much hardier than, Q. virginiana. A short, tapering trunk supports picturesquely gnarled branches and limbs that over time will spread horizontally a great distance from the main trunk. It can reach a height of 20-40 ft. Leaves are evergreen, firm textured, ovate to elliptic, 1 to 3 inches long; usually without lobes except on young plants and rootsprouts, then with pointed lobes. Acorns 3/4 to 1 inch long, rather elongate. Unlike Coastal live oak, acorns are spindle-shaped.

Ranging from the Glass Mountains and Arbuckle Mountains of southern Oklahoma south through the center of Texas to the mountains of Coahuila, Tamaulipas, and Nuevo Leon in Mexico, Quercus fusiformis is the common live oak used in landscaping and found in the wild in central Texas. It is more drought-tolerant and cold-hardy than Q. virginiana, which it is sometimes considered a variety of. Like Q. virginiana, its magnificent, stately form has endeared it to generations of residents and it remains popular to this day. Also like Q. virginiana, it is susceptible to live oak wilt and live oak decline when stressed by drought, so care must be taken to protect it from injury both aboveground and below ground to prevent infection. The largest known Texas live oak grows in Real County, Texas.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Semi-evergreen
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Size Class: 36-72 ft. , 12-36 ft.
Leaf Shape: Elliptic , Lanceolate , Ovate
Leaf Venation: Pinnately Veined
Leaf Margin: Entire
Leaf Apex: Acute , Obtuse , Rounded
Leaf Base: Cordate , Rounded , Truncate
Breeding System: Monoecious
Inflorescence: Catkin
Fruit Type: Nut
Size Notes: 20-40 ft tall
Leaf Color: dark olive green
Flower Size: 2-3 inches long
Fruit Length: 8-15 mm
Fruit Color: dark brown

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May

Distribution

USA: OK , TX
Native Distribution: Limited to southern Oklahoma, Texas between the Brazos and Pecos rivers, and the mountains of northeastern Mexico (Coahuila, Nuevo Leon, and Tamaulipas).
Native Habitat: Savannahs, rocky hills, & uplands with limestone or calcareous loam soils.
USDA Native Status: L48(N)

Growing Conditions

Water Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry
Drought Tolerance: High
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Rocky, sandy, clay, or loam soils, usually calcareous, including caliche, but also in slightly acidic sands
Conditions Comments: Those from southern Oklahoma are the most cold-hardy, surviving temperatures as low as -20 degrees F.
Texas comments: This the most appropriate live oak for central Texas, requiring much less water than Q. virginiana.

Benefit

Use Ornamental: Shade tree, Attractive
Use Wildlife: It provides cover and nesting sites for birds and small mammals. Its acorns feed birds and mammals.
Conspicuous Flowers: yes
Interesting Foliage: yes
Attracts: Birds , Butterflies
Larval Host: Hairstreak, Horaces Duskywing

Butterflies and Moths of North America (BAMONA)

Quercus fusiformis is a larval host and/or nectar source for:

(Hemileuca peigleri)
Larval Host
Learn more at BAMONA

Propagation

Propagation Material: Seeds
Description: Oaks are most often propagated from seed. No pretreatment is necessary. Plant immediately – outdoors or in deep containers to accommodate long initial taproot. Protect outdoor beds with wire mesh to deter rodent predation.
Seed Collection: Best quality acorns are picked or shaken from the tree. Collect when color has changed to brown. Best if sown immediately as acorns lose viability quickly in storage.
Seed Treatment: Short-term storage in moist, shaded saw dust or sand. Acorns to be sown immediately can be soaked in hot water for 15 min. to prevent weevil infestation. Stored seed should be fumigated with methyl bromide.
Commercially Avail: yes
Maintenance: Susceptible to oak wilt, so check regularly for injury to trunk and branches and treat injured areas immediately to prevent infection.
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Mr. Smarty Plants says

Question: Hello, I planted a couple texas live oak two years ago in South Austin. They're about 5 feet tall. How long will it take for them to mature? Thanks
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Question: I'm looking for a tree for a cemetery plot in Karnes County at Pana Maria. There will be someone to regularly water it. I understand live oak and pecan are native to the area. I assume these would be good trees. But are there any other nice trees that would do well in the area based on size, longevity, looks or appropriateness for a cemetery?
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Question: What are your suggestions for a fast growing native tree that will do well in the clay soils of North Central Austin? I just had a 30 foot hackberry tree fall and would like to restore some shade to my backyard. I am not able to dig a very large hole to plant the tree, so would like to find a tree that either grows fast or has a smaller root ball so I can plant it. Would also like one that provides good shade without killing St. Augustine grass under the canopy.
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Question: My neighbor has a young oak tree in his front yard. It has small leaves and round acorns and once a year sprouts shoot up at its base. The neighbor was kind enough to let me dig some up to try to transplant them. After digging I discovered that the shoots are not individual plants but grew in the dirt from the root system. I did cut one loose leaving approximately 12-14 inches of the root still attached to what should turn into a trunk. I don't know if it will grow. Do you have any idea if they are transplantable, now that I have tried it? If it will grow, do you have any idea what kind of oak it is? If it won't grow, what kind of oak would you recommend if I want a very large umbrella shade and preferably a faster growing one. I don't care if the leaves are large or small. I would appreciate any information you have. Thanks very much.
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Question: Hi. We would like to plant a fast growing tree that will provide shade for our house. What do you think of the Paulownia tree (Empress Tree) as a possibility for the Austin area? If this is not a good choice, what do you suggest for a two story home?
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From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX
Sibley Nature Center - Midland, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge - Wimberley, TX
Native Plant Society of Texas - Fredericksburg, TX
Nueces River Authority - Uvalde, TX

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Quercus fusiformis in USDA Plants
FNA: Find Quercus fusiformis in the Flora of North America (if available)
Google: Search Google for Quercus fusiformis

Metadata

Record Modified: 2010-01-21
Research By: TWC Staff, GDG

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