Poinsettias have a colorful history. The poinsettia (Euphorbia pulcherima) has become a traditional symbol of Christmas. Long before Christianity was introduced into the Americas, the Aztec in Mexico were cultivating the colorful red and green plant. It was highly prized by Kings Netzahualcyotl and Montezuma, although for climatic reasons the poinsettia could not be grown in the capital, which is now known as Mexico City.

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