Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Juglans cinerea
FAMILY
Juglandaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read more about Butternut at Vascular Plants of North Carolina.
This tree, formerly common, is afflicted with butternut canker disease, which now threatens its continued existence, per Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Juglans cinerea
FAMILY
Juglandaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Juglans cinerea
SYNONYMOUS WITH Flora of North America
Juglans cinerea
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 053-01-002:
Juglans cinerea FAMILY Juglandaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Wallia cinerea
COMMON NAME:
Butternut, White Walnut
To see larger pictures, click or hover over the thumbnails.
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Trees You Want to Know (Peattie, 1934); illustration by F.A. Michaux dcp34_p22a
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Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905) mtna_i_202
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_juci_001_lvd
)
USDA-NRCS PLANTS Database / US Forest Service pnd_juci_004_lhd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_juci_005_lvd
)
JK Marlow jkm090404_050
April Walker County GA
The Pocket on Pigeon Mountain
The bark of both Juglans species resembles a chocolate brownie when cut, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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JK Marlow jkm090425_012
April Pickens County SC
Nine Times Preserve
As the tree ages, bark develops dark fissures and flat-topped gray ridges, per Woody Plants of the Blue Ridge (Lance).
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Patrick D. McMillan pdmjcinerea_littlergsm
April-May? Sevier County TN
Great Smoky Mountains National Park
Staminate flowers in catkins 3-5" long, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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JK Marlow jkm190614_9146
June Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm190614_9148
June Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm190614_9179
June Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm190614_9181
June Greenville County SC
Swamp Rabbit Trail
Not normal for leaflet arrangement to vary from opposite, but it happens.
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JK Marlow jkm120830_269
August Henderson County NC
Holmes Educational Forest
Leaflet lower surfaces pubescent; rachis sticky tomentose, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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JK Marlow jkm140816_712
August Jackson County NC
High Hampton Inn
)
JK Marlow jkm140816_715
August Jackson County NC
High Hampton Inn
Fruit ellipsoid, glandular-pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm140816_722
August Jackson County NC
High Hampton Inn
)
JK Marlow jkm140816_725
August Jackson County NC
High Hampton Inn
Leaves with 11-17 hairy leaflets, the terminal leaflet usually present, per Woody Plants of the Blue Ridge (Lance).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Juglans cinerea
FAMILY
Juglandaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Juglans cinerea
FAMILY
Juglandaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Juglans cinerea
SYNONYMOUS WITH
Flora of North America
Juglans cinerea
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 053-01-002:
Juglans cinerea
FAMILY
Juglandaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Wallia cinerea
771
Tree
Perennial
Monoecious
Habitat: Moist, nutrient-rich forests, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in Mountains, rare in Piedmont
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Deciduous
Pinnately compound: 11-17 leaflets
Alternate
FLOWER:
Spring
Staminate calyx 3-6 lobed, pistillate calyx 4-parted
Inferior ovary
Unisexual
Staminate flowers in elongate pendulous catkins
FRUIT:
Fall
Drupaceous nut
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p127
- Identifying Trees: An All-Season Guide to Eastern North America (Williams, 2007) p172
- Landscaping with Native Trees (Sternberg & Wilson, 1995) p130
- Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007) p223
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p183
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p064
- Woody Plants of the Blue Ridge (Lance) p11
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p180
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