Euphorbia subg. Poinsettia 1858, but promoted to subgenus rank by Homer Doliver House in 1924. Recent studies have confirmed its monophyly. Its many species include: The common name "wild poinsettia" is sometimes applied to two of these species. Euphorbia subg. Poinsettia Euphorbia" subg. "Poinsettia is a subgenus deriving from the genus "Euphorbia", and is endemic to North America. <nowiki> </nowiki>It contains around 24 species, of which the best known is "E. pulcherrima", the poinsettia. This species grows wild in the mountains on the Pacific slope of Mexico, and despite many legends, no one is quite sure from which wild populations the cultivated varieties
The Plant List is currently run as part of the IPNI rather than the Plant List. The Plant List The Plant List is a list of botanical names of species of plants created by the Royal Botanic Gardens, Kew and the Missouri Botanical Garden and launched in 2010. It was intended to be a comprehensive record of all known names of plant species over time. There is a complementary project called the International Plant Names Index, in which Kew is also involved. The IPNI aims to provide details of publication and does not aim to determine which are accepted species names. Newly published