What’s that red in the woods? Sumac, most likely. “It’s a harbinger,” said Julie Janoski, Plant Clinic Manager at The Morton Arboretum. “When you see those first scarlet sumac leaves, you know autumn ...

Staghorn sumac, smooth sumac and winged sumac are the three most common species of red-fruited sumac found in Pennsylvania. Staghorn sumac (Rhus typhina) and smooth sumac (Rhus glabra) are similar in ...

The eastern face of Flagstaff Mountain lights up each fall as clones of smooth sumac, Rhus glabra, turn brilliant red. Fall brings out the best in clonal species — quaking aspen, gambel oak, ...

People in what is now Washington State were smoking Rhus glabra, a plant commonly known as smooth sumac, more than 1,400 years ago. The discovery, made by a team of Washington State University ...

When I announced to some friends that I was planning to establish a native sumac grove on my property, the first thing I heard was, “Why would you want to plant that trash tree on your property?” I ...

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People in what is now Washington State were smoking Rhus glabra, a plant commonly known as smooth sumac, more than 1,400 years ago. The discovery marks the first-time scientists have identified ...