abstract appearance background brown colored coloring colors coloured colouring colours conglomerate contours contrast cracks fissures flaws layered layers levels light lines natural quartz rock rock-face rockface rocky rough seam seams shade shadows shape shaped shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper annual Asteraceae color colour companion-planting cultural-significance flora florets flowers garden garden-flowers garden-marigolds garden-plants golden good-fortune good-luck herbaceous-plants historical horticulture marigold marigolds orange perennial pungent red ruffled-petals sunflower-family symbolic symbolism Tagetes varieties variety yellow Australia Australian bush central central-Australia contrasting descriptive distance distant drought dry dry-brown-land flat grass grasses hardy hilly outback perspective perspectives river river-bed rocks sand sandy scrub shrubbery shrubs slope slopes sloping survival trees vegetation waterless appearances arid Cacti cactus clumps clusters display edge edges frilled frills garden-display green irregular leaves ornamental perennials plants pointed protection ribbed ribbing ribs sharp short-spikes small-spines spikes spines spiny succulents tall unusual architectural backdrop barrier brick brick-wall bricks brickwork cement constructed dark exterior external firm linear merger merging mixed mortar secure security smooth solid standard strength strong style surfaced variation varied various wall