Euphorbia subg. Poinsettia 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 derive. This taxon was first published at genus rank under the name Poinsettia by Robert Graham in 1836. It was demoted to a section of "Euphorbia" as E." sect. "Poinsettia by Henri Ernest Baillon in
Plant morphology be used by the plant to power chemical reactions, while the reflected wavelengths of light determine the color the pigment will appear to the eye. Plant development is the process by which structures originate and mature as a plant grows. It is a subject studies in plant anatomy and plant physiology as well as plant morphology. The process of development in plants is fundamentally different from that seen in vertebrate animals. When an animal embryo begins to develop, it will very early produce all of the body parts that it will ever have in its life. When the animal is