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Quercus prinus L.
Chestnut oak, Rock chestnut oak, mountain chestnut oak, rock oak, tanbark oak
Synonyms: Quercus montana
USDA Symbol: QUPR2
USDA Native Status: Native to U.S.
to large tree, 65 - 145 feet (19.8
- 44.2 m), broad open and
irregular crown, chestnut like
foliage. BARK: dark reddish-
brown to dark gray, mature bark
with deep v-shaped furrows
producing broad ridges. TWIGS
and BUDS: stout twigs, dark
green to reddish-brown; light
brown to reddish-brown ovoid bud, pointed apex, bud scales may have slight pubescence. LEAVES: yellow petiole 3⁄8 - 1 1⁄4 inches (10 - 32
mm) long; leaf blade obovate, 4 3⁄4 - 8 inches (121 - 203 mm) long, 2 3⁄8 - 4 inches (60 - 101 mm) wide, margins have 10 - 14 rounded teeth, base subacute, apex broadly acuminate; thick firm blade, shiny dark yellowish-green above,
light green with slight pubescence along veins below.
This species is commonly referred to as Q. prinus in forestry literature.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf Retention: Deciduous Leaf Arrangement: Alternate Leaf Complexity: Simple Leaf Shape: Obovate Leaf Venation: Pinnate Leaf Margin: Dentate Leaf Apex: Acuminate Breeding System:
, Monoecious Inflorescence: Catkin Fruit Type: Nut Size Notes:
65 - 145 feet (19.8
- 44.2 m). Leaf:
Leaves shiny dark yellowish-green above,
light green with slight pubescence along veins below. Autumn Foliage:
1 - 2 acorns on peduncle
3⁄8 - 1 inch
(10 - 25 mm) long; cup has gray scales
￼￼￼- 66 -
￼with red tips, pubescent
inner surface, encloses 1⁄3 - 1⁄2 of nut; chestnut-brown, long oval nut,
3⁄4 - 1 1⁄2 inches (19 - 38 mm) long. Size Class:
36-72 ft. , 72-100 ft. , More than 100 ft.
Bloom InformationBloom Color: Yellow
Bloom Time: Mar , Apr , May
AL , CT , DC , DE , GA , IL , IN , KY , LA , MA , MD , ME , MI , MS , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WV Native Distribution:
Extreme S. Ontario to SW. Maine, south to Georgia, west to NE. Mississippi, and north to SE. Michigan; at 1500-5000 (457-1524 m). Southern Ontario, south to Louisiana, east to Georgia, and north to Maine. Native Habitat:
Sandy, gravelly, and rocky dry upland soils, but reaches greatest size on well-drained lowland sites; often in pure stands on dry rocky ridges. USDA Native Status: L48(N)
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: Medium
Soil Description: Loam, Sand
As a shade tree,
it is adapted to dry rocky soil. Use Wildlife:
Acorns provide a food source for turkey, rough grouse, songbirds, deer, and small mammals. Use Other:
Because of its high tannin content, the bark
formerly served for tanning leather. The wood is marketed as White Oak. Fragrant Foliage:
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:
Delaware Nature Society
- Hockessin, DE
Recommended Species Lists
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Record Modified: 2011-09-30
Research By: TWC Staff