Dig deeper at SERNEC, a consortium of southeastern herbaria.
2926
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Sapindales
WEAKLEY'S FLORA (5/21/15):
Toxicodendron rydbergii
FAMILY
Anacardiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Toxicodendron rydbergii
FAMILY
Anacardiaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Rhus radicans var. rydbergii
SYNONYMOUS WITH
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Toxicodendron radicans var. rydbergii
COMMON NAME:
Wesern Poison Ivy
To see a detailed map, click here
Look for it in acid pine-oak forests & woodlands at moderate elevations, per Weakley's Flora
Shrub; Forb
Perennial
Native: north & northwest of the Carolinas & Georgia
Documented growing wild in
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Rare
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Deciduous
Odd-pinnately compound: 3 leaflets
Alternate
FLOWER:
Spring/Summer
Greenish-yellow/White
Usually bisexual
4-5 sepals
4-5 petals
4-5 stamens
FRUIT:
Summer/Fall
White/Gray
Drupe
TO LEARN MORE about this plant, look it up in a good book!
Toxicodendron rydbergii FAMILY Anacardiaceae
Wesern Poison Ivy
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Click the thumbnails to see larger pictures.
JK Marlow jkm090425_038
April Pickens County SC
Nine Times Preserve
Leaf lower surface glabrous to sparsely strigose, upper surface glabrous, per Weakley's Flora.
COMPARE
leaves that are trifoliolate and pinnately compound