While not truly poisonous, they all cause a painfully itchy rash upon contact due to an oil called urushiol on their leaves, ...

More than likely, we’ve all had a scare once or twice involving poison ivy. If you are an outdoor enthusiast, being educated ...

The most common causes of ACD are the plants of the Rhus genus, poison ivy (toxicodendron radican ... or urushiol (found in leaves, stems, and roots), of the plant embeds in the skin, producing ...