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Wasowski, Sally and Andy
Quercus pungens Liebm.
Pungent oak, Sandpaper oak, Vasey oak
USDA Symbol: QUPU
USDA Native Status: L48 (N)
GROWTH FORM: shrub or
small tree that grows to a height
of 10 feet (3.1 m), evergreen
or subevergreen. BARK: thin
light brown, papery and flaky.
TWIGS and BUDS: young
gray twigs are pubescent and
become smooth with age; buds
are dark chestnut-brown with
sparse pubescence. LEAVES:
short petiole up to 3/8 inch (10
mm) in length; elliptic to oblong leaves, 3/8 - 3/4 inch (10 - 19 mm)
wide, margins usually wavy and coarsely toothed or with spinose
lobes; base rounded, apex acute or obtuse with mucronate tip; thick
and leathery leaf blade, shinny yellowish-green with minute hairs presenting a rough texture above,
dense pubescence mixed with stiff
hairs beneath, sandpapery to the
touch on both surfaces. ACORNS:
annual; 1 - 2 sessile or short-stalked
peduncle up to 1/8 inch (3 mm) long,
chestnut-brown, top-shaped cup
with gray pubescence, enclosing
1/4 of the nut; light brown, ovoid
nut, up to 1/2 inch (13 mm) long.
The rough surface of the leaves is reflected in
the common name. Sandpaper oak acorns provide food for birds,
javelinas, mule deer, bighorn sheep, and various small mammals.
Bloom InformationBloom Color: Red
Bloom Time: Mar , Apr , May
, TX Native Distribution:
to Texas, and in northern Mexico
(Durango, Chihuahua, Coahuila,
Nuevo Leon, Tamaulipas, and San Luis Potosi). Native Habitat:
Mountains in the Lower
Sonoran Life Zone associated with
oak-juniper-pinyon dry woodlands.
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Cold Tolerant: yes
Soil Description: Limestone-based, Caliche type, Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
BenefitUse Ornamental: Aromatic, Attractive, Fall conspicuous
Use Wildlife: Fruit-deer, Fruit-mammals, Fruit-rodents, Nesting site, Cover, Substrate-insectivorous birds, Fruit-birds.
Larval Host: Horaces Duskywing butterfly.
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:
Texas Discovery Gardens
- Dallas, TX
Record Last Modified: 2008-05-22
Research By: TWC Staff