Nyctaginaceae is a botanical family group that consists of more than 30 genera and 400 species of flowering plants, including the Bougainvillea. It is a broad term, and there are various ways to refer to it, depending on the context. For instance, you can refer to the plant group as the Four O' Clock Family, as some people name it. Moreover, you can use the term Nyctaginaceae interchangeably with "Mirabilis family" or "marvel of Peru family." Other common synonyms for Nyctaginaceae include Nyctagaceae, Marvel of Peru, and Bougainvillea family. These synonyms make it easier to identify the plant family accurately and efficiently in various contexts.