How To Use Poison sumac In A Sentence

And you can get even better protection by avoiding poison ivy all together, as well as its cousins poison sumac and poison oak.
Poison ivy, poison oak, and poison sumac all contain the same allergic irritant: urushiol.
The offending material in all species of poison ivy, poison oak and poison sumac is an oily resin known as urushiol. Summertime Skin Irritants
The irritant in all species of poison ivy, poison oak and poison sumac is an oily resin known as toxicodendrol. Poison Ivy, Poison Oak and Poison Sumac
The shrub swamps are composed of species such as buttonbush (Cephalanthus occidentalis), swamp rose (Rosa palustris), poison sumac (Rhus vernix), and silky dogwood (Cornus ammomum). Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)

There was the dark fine bright red of some pepperidges shewing behind the green of an unchanged maple; near by stood another maple the leaves of which were all seemingly withered, a plain reddish light wood-colour; while below its withered foliage a thrifty poison sumach wreathing round its trunk and lower branches, was in a beautiful confusion of fresh green and the orange and red changes, yet but just begun. The Hills of the Shatemuc
If the vision is clouded, the result is not what we intend; the apple tree is a poison sumac.