The poinsettia, scientifically known as Euphorbia pulcherrima, is native to Mexico and Central America. It was cultivated and named after Joel Roberts Poinsett, an American diplomat, and botanist.

In 1825, Poinsett, who was the first U.S. Ambassador to Mexico, encountered this plant in Taxco, Mexico, and was struck by its vibrant red leaves, which are often mistaken for flowers. He was fascinated by its beauty and sent specimens of the plant back to his home in South Carolina.

Poinsett began growing and propagating the plant in his greenhouse and shared it with botanical gardens and horticultural enthusiasts. The plant gained popularity and eventually became associated with Poinsett, leading to its common name, “poinsettia.”

The poinsettia’s association with Christmas came later, mainly due to its vivid red and green foliage, which coincides with the colors of the holiday season. Today, the poinsettia is a popular decorative plant during the Christmas holidays in many countries around the world.