https://en.wikipedia.org/wiki/Urtica_urens Unlike the perennial and dioecious stinging nettle Urtica dioica, Urtica urens is an annual plant, monoecious (with male and female flowers on the same plant) and generally much shorter. It can be distinguished from the stinging nettle by its more rounded leaves with coarser, deeper toothing and with the terminal tooth of similar length to the adjacent teeth. The lower leaves are shorter than their longer petioles and have stinging hairs only. 0007
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