The word sumac is derived from the Arabic word summaq, meaning “dark red.” “Culinary grade sumac is produced from the fruits of the sumac tree (Rhus coriaria), also known as Sicilian or tanner’s sumac ...

While staghorn sumac produces edible red blossoms commonly seen along roadsides, its dangerous cousin poison sumac contains skin-irritating urushiol and grows in wet areas.

Poison ivy: The plant usually has three broad, tear-shaped leaves. It can grow as a climbing or low-spreading vine that sprawls through grass. Poison oak: The plant has leaves that resemble oak leaves ...

I AM ALWAYS AMAZED at how many little things I find in nature that I have never seen before. This week the ubiquitous sumac tree presented me with a surprise finding. According to the New England ...

CHARLESTON, S.C. (WCBD) – Whether you are working outside or enjoying some time outdoors, it’s important to know how to spot and protect yourself from poisonous plants. Sap oil – known as urushiol – ...