Answer: bougainvilleas

AnswerCrossword Clue
bougainvilleasAn ornamental climbing plant that is widely cultivated in the tropics. The insignificant flowers are surrounded by brightly colored papery bracts that persist on the plant for a long time
bougainvilleasBOUGAINVILLEA, a tropical flower also BOUGAINVILIA, BOUGAINVILLAEA