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Elderberry
Elderberry is considered to be of great medicinal value and can treat flu and cold symptoms and also if placed on skin wounds it can help in healing it. The fruit of elderberry trees are used to make alcohol, and it provides flavor to foods like syrup, pies, and jam. Yet, you have to be very careful. The USDA suggests that though the purple and blueberries can be eaten, some of the red berries species are toxic. Botanical and medical experts say that the stems, leaves, and uncooked or unripe berries may result in nausea, vomiting, and also diarrhea.