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 bark close-up pattern plant tree forest tree tops trees wood wooded woodland abundant appearance bunches cascades clusters colorful colourful cultivars deciduous vines fabaceae fast-growing fragrant green hardy heavy-wooded invasive mauve pea family pendulous plants purple racemes scented vigorous vines violet wistaria wisteria woody plant branches lumberjack bush cascading color colored colour coloured decorative prolific shrubbery wall wall-cover