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 bloom buds bush bush-plant cap caps capsule colorful colors colourful colours conical crimson dry eucalypts eucalyptus evergreen green leaves red seed-pods stamen strange tipped tips trees unusual abstract appearance bark bumps close-up cracks layers melaleuca rhaphiophylla melaleucas myrtaceae paper-like paperbark patterns peel peeling smooth strips surface surfaces texture textured textures tree trunk trunk uneven useful variations wood bee bush plant edge edges furry honeybee insect leaf light shadow shadows sunlight sunshine Australian raven bare bare branches blue black branches carrion eaters corvids corvus coronoides crow garbage collectors lone loud mournful omnivorous perched perching predators raven scavengers shiny black banksia ericifolia Banksia tree color colour curly elongated fawn flower golden heath banksia loops loopy orange saw-edged leaves serrated serrated leaves soft spring tubular upright wiry yellow