There is a poison ivy (or poison oak) which is very poisonous to some people, and more or less so to all people.
When she was closer he said: "Them weeds is full of poison oak."
The woods about this country are full o' poison oak, and that's where we get the name.
The leaves represented were indisputably those of the poison oak.
Then, the poison oak was so thick that I felt like holding up my hands to avoid it.
It is not in the poison oak, not in that more rested entirely.
And—and when we're—married, you won't take me away from the poison oak Country, will you, dear!
May I ask by whom it was chosen; who it was that so carefully culled nightshade and poison oak?
Thought maybe the poison oak had got too many for ye, an' ye'd shot yerself.
One may understand how a scorpion stings in self-protection, but what profit has the "poison oak" of its virulence?
poison oak n.
Either of two shrubs, Rhus toxicodendron of the southeast United States or R. diversiloba of western North America, related to poison ivy and causing a rash on contact.
See poison ivy.