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Stinging Nettle

Urtica dioica

Photo of Stinging Nettle
Photo by Dr. John Meade, weed scientist emeritus
Rutgers Cooperative Extension

Growing mostly in wet areas it also causes an itching skin rash but it is less severe than poison-ivy and disappears in about 24 hours. Note the opposite leaves with sharp serrations along the edge. Close examination will reveal the hypodermic like needles which break off and inject a histamine and actyl choline to cause the rash.

Additional Images

Rutgers
Executive Dean of Agriculture and Natural Resources
School of Environmental and Biological Sciences

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