western poison ivy
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English
[edit]
Noun
[edit]western poison ivy (uncountable)
- Toxicodendron rydbergii, an ivy-like species of Toxicodendron common in the western United States, well-known for its ability to causes an itching rash and blistering for most people, through urushiol, an oil that is a skin irritant.
Coordinate terms
[edit]- (ivy-like plant producing skin irritant): Toxicodendron radicans (eastern poison ivy), Toxicodendron orientale (Asian poison ivy)