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Blue color from flowers: To make blue dye the Native Americans on the West Coast used the Delphinium flower.
Poinsettias are not poisonous:Scientific research from The Ohio State University has proved the poinsettia to be non-toxic to both humans and pets. All parts of the plants were tested, including the leaves and sap. Vegetable flowers: The top part of broccoli is really flower buds. After enough time each will grow into a bright yellow flower, hence the name florets is given to them. Broccoli flowers are not usually given as gift bouquets.
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