poison oak

English

Etymology

Its leaves resemble those of the true oaks, and the leaves and twigs contain urushiol, which can cause allergic reactions.

Noun

poison oak (usually uncountable, plural poison oaks)

  1. Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.

Hyponyms

See also

Further reading

This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.