https://apnews.com/article/poinsettia-joel-poinsett-noche-buena-mexico-a5f4abea985e0f44523b2963ff435b56 > SANTA FE, N.M. (AP) — Like Christmas trees, Santa and reindeer, the poinsettia has long been a ubiquitous symbol of the holiday season in the U.S. and Europe. > But now, nearly 200 years after the plant with the bright crimson leaves was introduced north of the Rio Grande, attention is once again turning to the poinsettia's origins and the checkered history of its namesake.