OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Sapindales

WEAKLEY'S FLORA (5/21/15):
Toxicodendron rydbergii   FAMILY Anacardiaceae   NEW! Click to go to FSUS key


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 -
Toxicodendron radicans var. rydbergii

 

COMMON NAME:
Wesern Poison Ivy


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

image of Toxicodendron rydbergii, Wesern Poison Ivy

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.


click here to see other plants that look similar to this COMPARE leaves that are trifoliolate and pinnately compound

 

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 -
Toxicodendron radicans var. rydbergii

 

Find by SCIENTIFIC NAME:

2926

Shrub; Forb
Perennial

Native: north & northwest of the Carolinas & Georgia

Habitat: Acid pine-oak forests and woodlands at moderate elevations, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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

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!



 


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