Poinsettia

The poinsettia, outside its natural habitat, is grown as a potted flower and various chemicals are used to limit its growth.

An excerpt from the article 16 facts about Poinsettia
In the tropical and subtropical regions this species is cultivated as an ornamental garden plant. In natural habitat it is a woody plant (shrub or low tree) 1-3 m (3,3 - 10 ft.) tall, with shoots at the base up to 8 cm (3.14 inch) in diameter.