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Medicinal poinsettia: During the middle ages people used the poinsettia flower as a purgative to aid in the elimination of black bile and melancholy.
Orchid reproduction:An orchids seeds cannot germinate unless they are penetrated by fungus threads. Old and Modern Roses: Roses which existed prior to 1867 are known as Old Roses. Roses developed from 1867 to present are usually referred to as Modern Roses.
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