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Urtica dioica - Ortie commune (fleurs et poils urticants)
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Marie Ô
L’Ortie commune est une plante herbacée de la famille des Urticacées. Elle est présente dans le monde entier. Les fleurs minuscules sont réunies en grappes le long de la tige. Le poil urticant ou dard, comporte une pointe de silice coiffée d’une ampoule qui libère son liquide urticant au moindre frottement.
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