Poinsettias (Euphorbia pulcherrima) are a popular flowering plant, especially during the winter holidays, known for their striking red and green foliage. However, many people are surprised to learn that poinsettia flowers are not actually flowers in the traditional sense. Rather, they are curious-looking structures called cyathia that consist of a single female flower and many … [Read more...] about The Curious Reproductive Structures of Poinsettia Flowers