Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA (11/30/12):
Quercus phellos
FAMILY
Fagaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read Edible Wild Plants: Oak from Lytton Musselman and the Southern Appalachian Botanical Society.
Learn more from the Vascular Plants of North Carolina website.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus phellos
FAMILY
Fagaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-030:
Quercus phellos
FAMILY
Fagaceae
COMMON NAME:
Willow Oak
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_quph_001_lvd
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_quph_004_lvd
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Richard and Teresa Ware rtw_quercus_phellos
January
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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.
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JK Marlow jkm080314_003
March Greenville County SC
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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.
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Bruce A. Sorrie bas_q_phellos9e
April Moore County NC
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Keith Bradley kab_quercus_phellos_1071
April Richland County SC
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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.
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JK Marlow jkm0406l_23
June Greenville County SC
Parking lot
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JK Marlow jkm0407e_16
July Greenville County SC
Downtown Greenville
Widely planted as a street tree in towns and cities, per Weakley's Flora.
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JK Marlow jkm0407e_18
July Greenville County SC
Downtown Greenville
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Richard and Teresa Ware rtw_q_phellos_leaves
September
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Paul Thompson pstquercus_phellos
September?
Note tufts of light-colored woolly pubescence along midrib on leaf underside. — Clemson Extension
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JK Marlow jkm061111_015
November York County SC
Blackjacks Heritage Preserve
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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 (11/30/12):
Quercus phellos
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus phellos
FAMILY
Fagaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-030:
Quercus phellos
FAMILY
Fagaceae
1195
Tree
Perennial
Monoecious
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Common (uncommon in Piedmont)
Look for it in bottomland forests, esp on natural levees & second terraces, also in upland depression swamps developed on clay soils, weedy & successional on slopes & upland sites following disturbance, and widely planted as a street tree in towns & cities, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Wet
...Moist
...Variable
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!
- Gardening with Native Plants of the South p049
- Gardening with the Native Plants of Tennessee p312
- Landscaping with Native Trees p208
- Field Guide to Native Oak Species of Eastern North America p080
- Native Trees of the Southeast, An Identification Guide p190
- Trees of the Southeastern United States p249
- Woody Plants of the Blue Ridge p24
- Woody Plants of the Southeastern US: A Winter Guide p278