Learn how to say Nyctaginaceae correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bougainvillea:
an ornamental shrubby climbing plant that is widely cultivated in the tropics. The insignificant flowers are surrounded by large, brightly coloured papery bracts which persist on the plant for a long time.
Genus Bougainvillea, family Nyctaginaceae
named after Louis de Bougainville (see Bougainville, Louis Antoine de)