Poison Ivy
Common Name: Poison Ivy
Other Names: Poison Mercury
Species Name: Toxicodendron radicans
Plant Type: Woody
Family Name: Anacardiaceae, Cashew Family
Examples of Poison IvyToxicodendron radicans
| Plant Facts | |
|---|---|
| Origin | Native |
| Duration | Perennial |
| Distribution in the U.S. | Throughout the country with the exception of the Pacific Coast and the extreme Southwest |
| Distribution in Oklahoma | Throughout the state |
ID Characteristics
- Field Identification Characteristics
Vegtative
- Climbing or standing habit
- Iconic “leaves of 3”
- Leaves pointed and varies from smooth edges to moderate lobes
Floral
- Berries in clusters and white in color
- Leaf and Stem Characteristics
- Growth Form: Shrubs or woody vines
- Leaf Type: Compound, 1 pinnately
- Leaf Arrangement: Alternate
- Leaf Blade Edge: Coarse, serrated to lobed
- Leaf Blade Length: 6-13 centimeters
- Floral Characteristics
- Petal Number: 5
- Flower Color: Greenish white
- Flower Timing: April-June
- Fruit Type: Drupes
| Habitat/Ecology | |
|---|---|
| Soil Type | Variable |
| Habitat | Disturbed sites, roadsides, right-of-ways, fence rows, gravel bars and forest edges |
| Successional Stage | All |
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