background blooms bougainvillea bougainvillea glabra bracts climber evergreen flora flower flowers lesser bougainvillea paper flower papery bracts pink texture textures white woody woody vine above angles bougainvillea-glabra growth lesser-bougainvillea light paper-flower papery-bracts patio skylight vine woody-vine bush cascading color colored colorful colour coloured colourful decorative prolific purple shrubbery wall wall-cover