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Lily of the valley is one of the most beautiful flowers that appear in wet forests in Europe, Asia, and North America from April till June. Every part of the plant is poisonous because it contains about 20 poisonous glycosides such as convalatoxin, convalarin, and convalamarin, as well as saponins. They cause poisoning characterized by strong headache, nausea and vomiting, slow pulse and excessive urination. The victims are often domesticated animals because the may lily is a widely distributed cultivated plant. | 
