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poison ivy
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Tweet n. 1. A North American shrub or vine (Toxicodendron radicans) that has compound leaves with three leaflets, small green flowers, and whitish berries and that causes a rash on contact. 2. A skin rash caused by contact with this plant. In both senses also called poison oak.  (click for a larger image) poison ivyToxicodendron radicans |
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