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- Dictionarypoison ivy/ˌpɔɪzn ˈʌɪvi/
noun
- 1. a North American climbing plant which secretes an irritant oil from its leaves that can cause dermatitis.
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- Poison ivy
Allergenic plant in the genus Toxicodendron
Poison ivy, aka ‘3 leaves’, is a type of allergenic plant in the genus Toxicodendron native to Asia and North America. Formerly considered a single species, Toxicodendron radicans, poison ivies are now generally treated as a complex of three separate species: Toxicodendron radicans, Toxicodendron rydbergii, and Toxicodendron orientale. They are well known for causing urushiol-induced contact derma... Wikipedia
