My picture of the day The real flower of Bougainville Share on Facebook Tweet on Twitter The real flower of Bougainville - the bright coloured pink petals are actually modified leaves called Bracts. They are thin, papery and help in attracting pollinators. The real flower of Bougainville – the bright coloured pink petals are actually modified leaves called Bracts. They are thin, papery and help in attracting pollinators.