bloom bright bush flower delicate flora flower fragile mauve-purple native native iris patersonia occidentalis petals purple purple flag three-petaled tufted perennial wildflower Australia Australian-native background blooming blooms bristly-cottonhead budding buds bush bushland-flowers close-up clumping-perennial cluster color colored colour coloured conostylis-setigera cotton-head distinctive drought-tolerant flowers foliage furry golden grass green greenery haemodoraceae leaves light plant species stalks stamens stems texture textures tufted-perennial-plant vegetation velvety Western-Australian wildflowers yellow anthers Australan Australian-native-flora bush-plant colorful coloring colors colourful colouring colours display displayed nature nectar perennial plants protected purple-tassels shape shapes Sizes sowerbaea-laxiflora spring strange tufted umbels unusual vanilla-lily Western-Australia yellow-anthers