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The oldest roses: Colorado fossils of the rose which were alive 40 million years ago are the oldest evidence of roses.
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. Making spirits happy: To please the spirits of the dead many rich Romans grew huge rose gardens to provide petals for their grave sites.
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