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 abstract alive angles backdrop background banana-leaves banana-plant banana-tree contrast green growing leaf leaves light lined lines nature parallel pattern patterned patterns photosynthesis shadow stalks stems stripe striped stripes sunlight surface surfaces textures tropical tropics vegetation botanics burn hazel burn nettle burn weed burning flower grow herb herbaceous perennial herbs itching medical plant medication medicine natural nettle nettles pain painful plants spring stinging nettle structure structures sunshine texture urtica dioica aggregate accessory fruit common delicate fleshy food fragaria fragrant fresh fruit garden strawberry growth healthy hydroponics red ripe strawberry strawberry cultivars sweet tasty worldwide