poison oak
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English[edit]
Etymology[edit]
Its leaves resemble those of the true oaks, and the leaves and twigs contain urushiol, which can cause allergic reactions.
Noun[edit]
poison oak (usually uncountable, plural poison oaks)
- Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.
Hyponyms[edit]
Further reading[edit]
- Toxicodendron on Wikipedia.Wikipedia
- Toxicodendron on Wikispecies.Wikispecies
- Toxicodendron pubescens on Wikimedia Commons.Wikimedia Commons
- Toxicodendron diversilobum on Wikimedia Commons.Wikimedia Commons
- poison oak at USDA Plants database (T. pubescens)
- poison oak at USDA Plants database (T. diversilobum)