bracts devil's backbone drought tolerant flora flower flowers garden plant green houseplant Jacob's ladder lady’s slipper leaves pedilanthus tithymaloides pink plant pointed tips shaped like pink slippers shrub slipper flower sub-tropical succulent tropical unusual upright variegated zigzag plant zigzag stems Alice-Springs appearance arid Australia Australian blooms brown bush central-Australia color coloration colored colorful colors colour coloured colourful colours contrast creeper creeping-plant desert desert-country desert-region drought dry floral flowering foliage ground-cover hardy hot inland light native outback perennial scrub slow-growing sunlight sunshine terrain textures vegetation wildflower yellow central coloring colouring contrasting descriptive distance distant dry-brown-land flat grass grasses hilly perspective perspectives river river-bed rocks rocky rough sand sandy shrubbery shrubs slope slopes sloping survival trees waterless abstract background blended brownish cracked cracking cracking-up cracks cream creamy details distinctive dried drying grooved grooves hard interconnected interlinked lined lines patterns shape shapes soap soapy surface surfaced surfaces surfacing texture textured thick thin wallpaper