Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Sapindales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Toxicodendron pubescens
FAMILY
Anacardiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Poison Oak at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Toxicodendron pubescens
FAMILY
Anacardiaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 110-01-003:
Rhus toxicodendron FAMILY Anacardiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Toxicodendron toxicodendron
SYNONYMOUS WITH -
Toxicodendron quercifolium
COMMON NAME:
Poison Oak, Southeastern Poison Oak
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm191222_2374_t_toxicode
Clay County AL
Cheaha State Park
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_topu2_001_lvd
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_toto2_001_lvd
)
USDA / Selected Weeds of the US. 1970 swus_page_259
)
JK Marlow jkm230418_2653
April Pickens County SC
Glassy Mountain Heritage Preserve
)
Will Stuart wil_6950112502
April
Margins with 1 to 3 undulating to incised lobes (oak-like), per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
COMPARE
Fragrant Sumac and Poison Oak
)
Will Stuart wil_7079729961
April
)
Will Stuart wil_7096180233
April
Leaflets shallowly lobed, coarsely serrate, or rarely entire, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).
)
Will Stuart wil_7096181279
April
Flowers greenish-white in dense panicles, per Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989).
)
JK Marlow jkm090516_039
May Berkeley County SC
Seewee Visitor & Environmental Education Center
Petiolules of Toxicodendron's terminal leaflets much longer than laterals', per www.carolinanature.com (Cook).
)
JK Marlow jkm090516_041
May Berkeley County SC
Seewee Visitor & Environmental Education Center
Leaves dull above (not shiny), per Wildflowers of the Sandhills Region (Sorrie, 2011).
)
JK Marlow jkm180504_1686
May Meriwether-Talbot Counties GA
Sprewell Bluff WMA
)
JK Marlow jkm200508_4695
May Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm200508_4697
May Pickens County SC
Glassy Mountain Heritage Preserve
)
Richard and Teresa Ware rtw_t_pubescens
May
)
Richard and Teresa Ware rtw_t_pubescens_3
May
)
Betsy George bmg_0092
June Anderson County SC
)
JK Marlow jkm220605_8221
June Greenville County SC
Chandler Heritage Preserve
)
JK Marlow jkm220605_8223
June Greenville County SC
Chandler Heritage Preserve
Leaflet lower surfaces velvety puberulent, sometimes becoming glabrate in age, per Weakley's Flora.
)
JK Marlow jkm130718_446
July McDowell County NC
)
JK Marlow jkm161001_041
October Chesterfield County SC
Carolina Sandhills National Wildlife Refuge
Drupe densely hairy, 6-8mm wide, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
)
JK Marlow jkm161001_043
October Chesterfield County SC
Carolina Sandhills National Wildlife Refuge
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Toxicodendron pubescens
FAMILY
Anacardiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Toxicodendron pubescens
FAMILY
Anacardiaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 110-01-003:
Rhus toxicodendron
FAMILY
Anacardiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Toxicodendron toxicodendron
SYNONYMOUS WITH
-
Toxicodendron quercifolium
1240
Shrub
Perennial
Habitat: Longleaf pine sandhills, dry upland woodlands, around dry rock outcrops in the Piedmont and Mountains, barrens, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Coastal Plain (uncommon elsewhere in GA-NC-SC)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Deciduous
Odd-pinnately compound: 3 leaflets
Alternate
FLOWER:
Spring
Greenish-yellow/White
4-5 sepals
4-5 petals
4-5 stamens
Usually bisexual
FRUIT:
Summer/Fall
White/Gray
Drupe
TO LEARN MORE about this plant, look it up in a good book!
- Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005) p296
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p282
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p330
- How to Recognize Shrubs (Grimm, 1966) p167
- Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989) p085
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p140
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p352
- Wildflowers of the Sandhills Region (Sorrie, 2011) p071
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