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Quercus turbinella Greene
Sonoran scrub oak, Shrub live oak, Turbinella
Synonym(s): Quercus dumosa var. turbinella
USDA Symbol: QUTU2
USDA Native Status: L48 (N)
Shrub live oak is almost always a dense shrub, 6-12 ft. high, however it may become more tree-like in favorable habitats. Rigid branches bear attractive, gray-green, bristle-tipped leaves. The holly-like leaves unfold a reddish color, changing to shiny lime-green before becoming blue and bloomy. These leaves remain on the shrub all year, being pushed off by the new. Evergreen, much-branched, thicket-forming shrub or small tree with a spreading crown.
The name turbinella, meaning like a little top, refers to the acorns. Shrub Live Oak is the characteristic shrub in the chaparral vegetation of Arizona mountain slopes. The foliage is browsed by wildlife and occasionally by livestock.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Complexity: Simple Flower:
Fruit: Size Class:
Bloom InformationBloom Time: Mar , Apr , May
, UT Native Distribution:
to s. CA,
s. to extreme w. TX
& AZ; also Mex. Native Habitat:
Dry slopes; chaparral; pinyon-juniper woods
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Dry or moist, sands or clays.
Conditions Comments: Can be thicket-forming. Adaptable. Highly drought-tolerant.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CA
Record Last Modified: 2009-04-23
Research By: TWC Staff