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 flora floral flower flowering flowers foliage ground-cover hardy hot inland light native outback perennial scrub slow-growing sunlight sunshine terrain textures vegetation wildflower yellow ash boiling danger Dead trees gray green mountain orange pine trees water white yellowstone Asteraceae blossom health meadow nature petal plant rest sheet spring summer thistle Dirt earth environment igneous metamorphic Mineral object rock science Sed Soil