OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus phellos   FAMILY Fagaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Quercus phellos   FAMILY Fagaceae

SYNONYMOUS WITH Flora of North America
Quercus phellos

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-030:
Quercus phellos   FAMILY Fagaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus phellos

 

COMMON NAME:
Willow Oak, "Pin Oak"


         To see larger pictures, click or hover over the thumbnails.

image of Quercus phellos, Willow Oak, "Pin Oak"

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_quph_001_lvd

        

image of Quercus phellos, Willow Oak, "Pin Oak"

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_quph_004_lvd

        

image of Quercus phellos, Willow Oak, "Pin Oak"

Richard and Teresa Ware    rtw_quercus_phellos

January        

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm0402d_14

February    Greenville County    SC

Furman University

Young bark smooth and dark gray; mature bark has deep furrows & rough ridges, per Field Guide to Native Oak Species of Eastern North America.

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm080314_003

March    Greenville County    SC

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm080314_006

March    Greenville County    SC

Acorn cups covering 1/3 or less of nut, per Woody Plants of the Southeastern US: A Winter Guide.

image of Quercus phellos, Willow Oak, "Pin Oak"

Bruce A. Sorrie    bas_q_phellos9e

April    Moore County    NC

image of Quercus phellos, Willow Oak, "Pin Oak"

Keith Bradley    kab_quercus_phellos_1071

April    Richland County    SC

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    s050503_a

May    Greenville County    SC

Parking lot

Leaves narrowly oblong or lanceolate, margin entire, both base & apex acute, per Field Guide to Native Oak Species of Eastern North America.

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm0406l_23

June    Greenville County    SC

Parking lot

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm0407e_16

July    Greenville County    SC

Downtown Greenville

Widely planted as a street tree in towns and cities, per Weakley's Flora.

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm0407e_18

July    Greenville County    SC

Downtown Greenville

image of Quercus phellos, Willow Oak, "Pin Oak"

Richard and Teresa Ware    rtw_q_phellos_leaves

September        

image of Quercus phellos, Willow Oak, "Pin Oak"

Paul Thompson    pstquercus_phellos

September?        

Note tufts of light-colored woolly pubescence along midrib on leaf underside. — Clemson Extension

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    jkm061111_015

November    York County    SC

Blackjacks Heritage Preserve

image of Quercus phellos, Willow Oak, "Pin Oak"

JK Marlow    s041201_a

December    Greenville County    SC

Leaf apex bristle-tipped, per Field Guide to Native Oak Species of Eastern North America.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus phellos   FAMILY Fagaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Quercus phellos   FAMILY Fagaceae

SYNONYMOUS WITH Flora of North America
Quercus phellos

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-030:
Quercus phellos   FAMILY Fagaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus phellos

 

Find by SCIENTIFIC NAME:

1195

Tree
Perennial
Monoecious

Native to the Carolinas & Georgia

Common in Coastal Plain, uncommon in Piedmont, uncommon to rare in Mountains

Habitat: Bottomland forests, especially on natural levees and second terraces, also in upland depression swamps developed on clay soils and in upland clay hardpan situations, weedy and successional on slopes and upland sites as a "weed tree" following disturbance, and widely planted as a street tree in towns and cities, per Weakley's Flora

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Deciduous
Simple
Alternate, 5-ranked

FLOWER:
Spring
Unisexual
Staminate calyx 2-8 lobed, pistillate calyx 6-lobed
Petals absent
3-12 stamens in staminate flowers

Staminate flowers in clustered drooping catkins

FRUIT:
Summer/Fall
Acorn

 

TO LEARN MORE about this plant, look it up in a good book!



 


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