Australian competitive compound leaves evergreen tree fast-growing fast-spreading flora flower spikes flowers invasive native native flora native plant ornamental plant prolific prolific seeder Queensland native red spikes schefflera actinophylla spikes terminal inflorescence tree umbrella tree unique flowers abundance abundant Bignoniaceae bipinnate leaves blossoms colorful colourful cultural culture five-lobed flower flowering flowering tree foliage green jacaranda jacaranda mimosifolia leaves purple purple flowers purple-blue corolla spring vigorous background berries bi-colored bi-coloured bush color colour evergreen garden glossy holly ilex leaf nature Prickly red shiny shrub spiny texture waxy winter yellow abstract appearance artificial artistic baubles blue christmas Christmas decorations christmas tree Christmas tree decorations colored colors coloured colours decorations decorative design display light ornaments patterns plastic radiating seasonal shapes star stars wallpaper form garlands glitter golden ribbons tinsel