A patient recently came into our dermatology clinic with a rash and a story similar to many others. He had been camping with friends a few days earlier and helped carry some logs to stoke the fire.

Poison ivy belongs to the same plant family, Anacardiaceae, as mangos and cashews. All three of these plants produce urushiol, the compound that causes the itchy rash. People who chew the mango flesh ...

The dangers of touching or eating a poisonous plant range from mild irritation all the way to death. In the U.S. the hazardous plant you're most likely to come into contact with is poison ivy—or its ...

Sure, it’s irritating. But this unpopular native plant also has underappreciated superpowers. Here’s how to deal with it. By Margaret Roach Pop quiz: What’s an ecologically important native flowering ...

Patrick Kirby's been itchy a lot. The University of Southern Mississippi botany and ecology student is often out in nature and he's had poison ivy, poison oak and poison sumac — more than once. "I've ...

Poison ivy, Rhus radicans or Toxicodendron radicans, is an undeniable plant menace in home landscapes. I’m allergic to its plant oils, as you may be. It’s the plant we all love to hate. Purdue experts ...