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Flaigg, Norman G.
Quercus laceyi Small
Lacey oak, Texas blue oak, Canyon oak, Smoky oak, Rock oak
USDA Symbol: QULA
USDA Native Status: Native to U.S.
Lacey oak is a medium-sized tree on good sites or a shrub on poor sites. Branches are erect and spreading and there can be multiple trunks. Leaves are deciduous, thick and oblong with a few shallow lobes. Foliage is peach-colored in spring and fall; dark-blue or grayish-green in summer. Summer foliage takes on a smokey appearance.
A small to medium tree, which grows up to 60 feet (18.3 mm). BARK: light gray with shallow furrows and scaly ridges. TWIGS and BUDS: young twigs are gray and pubescent, mature limbs become smooth and reddish-brown; smooth, brown ovoid buds. LEAVES: petiole varies from 1⁄8 - 1⁄2 inch (3 - 13 mm) long; leaf blade is obovate or elliptical, 1 1⁄2 - 3 1⁄2 inches (38 - 89 mm) long,
1 1⁄8 - 2 1⁄2 inches (29 - 63 mm) wide, margin of the leaf is entire or with shallow lobes, trees growing on moist sites may have leaves with deep
lobes that resemble white oak (Q. alba), secondary veins often end in a tooth, apex rounded; smooth, green above, juvenile leaves have a white pubescence beneath, mature leaves become smooth beneath.
Named for Howard Lacey, who first collected specimens on his property near Kerrville, Texas. Lacey oak is increasingly popular in central Texas as an oak wilt-resistant alternative to or replacement for the commonly used but oak wilt-prone Escarpment Live Oak (Quercus fusiformis) and local red oaks (Quercus buckleyi, Quercus texana, and Quercus shumardii). It also provides habitat for wildlife and is sometimes used for fuel. The largest known Lacey oak grows in Blanco County, Texas.
Plant CharacteristicsDuration: Perennial Habit: Tree Root Type: Tap Leaf Retention: Deciduous Leaf Arrangement: Alternate Leaf Complexity: Simple Leaf Shape: Ovate Leaf Venation: Pinnate Leaf Margin:
Lobed Breeding System:
, Monoecious Inflorescence: Catkin Fruit Type: Nut Size Notes:
Small to medium tree,
which grows up to 60 feet (18.3 mm). Leaf:
Leaves green above, juvenile leaves have a white pubescence beneath, mature leaves become smooth beneath. Fruit:
1 - 3 acorns on a short peduncle
up to 3⁄8 inch (10 mm)
in length, saucer- shaped
cup with pubescent
scales, ￼covers up to 1⁄3 of the nut; oblong
or barrel-shaped nut,
usually blunt at both ends, up to 3⁄4 inch (19 mm) long. Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Mar , Apr , May
TX Native Distribution:
Restricted to southern and southwestern parts of the Edwards Plateau in Texas and in the Mexican states of Coahuila, Nuevo Leon, and Tamaulipas. Native Habitat:
Often found associated with limestone outcrops, woodland, and riparian zones with mixed stands of ash, basswood and other oaks, a component of the pine-juniper-madrone-oak forest type of northern Mexico at elevations between 6,000 - 8,200 feet (1,830 - 2,500 m). USDA Native Status: L48(N)
Growing ConditionsLight Requirement:
Part Shade Soil Moisture:
Dry Soil Description:
Limestone or rocky soils. Conditions Comments:
Laceys oak is a medium-sized tree
on good sites or a shrub
on poor sites. Branches are erect and spreading and there can be multiple trunks. Leaves are deciduous,
thick and oblong
with a few shallow lobes. Foliage is peach-colored in spring and fall; dark-blue or grayish-green in summer. Summer foliage takes on a smokey appearance.
BenefitUse Wildlife: Provides food and cover for deer, small mammals, and birds.
Interesting Foliage: yes
Deer Resistant: No
Oaks are most often propagated from seed. No pretreatment is necessary. Plant immediately – outdoors or in deep containers to accomodate long initial taproot. Many oaks require cold temperatures to initiate shoot
development. Protect outdoor beds with 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. 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. Seed Treatment:
Not Available Commercially Avail:
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Hill Country Natives
- Leander, TX
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Record Modified: 2012-07-18
Research By: TWC Staff