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Carnations, also known as Dianthus plants, are poisonous with a low toxicity rate in the leaves. The flowers can also cause contact dermatitis, or inflammed irritated skin, in some people.
T.M. Samuels has been a freelance writer since 1993. She has published works in "Arthritis Today," "Alabama Living" and "Mature Years," and is the author of a gardening book. Samuels studied pre-medicine at Berry College.
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