The staghorn sumac (Rhus typhina, previously Rhus hirta) is a common plant with a strikingly uncommon appearance. The young branches of the staghorn sumac are upright, with velvety red-brown hairs, ...

Poison ivy, poison oak and poison sumac can make for an uncomfortable summer or fall. If you have ever experienced the blisters, swelling and intense itching of even the briefest of encounters, then ...

As temperatures in the First State start to increase, people will be spending more time outdoors. Whether gardening or hiking, Delaware residents need to be on the lookout for certain plants that will ...

You’ve probably heard the phrase “Leaves of three, let it be.” But do you know other ways to protect yourself from poison ivy and similar plants? Keystone Infectious Disease’s Medical Director, Dr.

You may have managed to dodge the dreaded rashes often associated with poison ivy, poison oak or poison sumac, but that doesn’t necessarily mean you’re not allergic. While it’s true that a percentage ...

Summer is in full bloom and so are plants and weeds that can cause you harm. Outdoor enthusiasts, gardeners and just about everyone else should know about poison ivy, poison oak, poison sumac and ...

If you've ever experienced a poison ivy rash in all of its itchy "glory," you know it can ruin a good time, especially if you adore spending time outdoors soaking up vitamin D. Skin contact with the ...