bush bush-flowers clustered clusters coastal colors colours downy erect-shrub evergreen flat-leaved flora flower flowering-plant foliage furry native perennial petrophile-linearis pinks pixie-mops plant proteaceae rigid-stems shrub shrubbery soft spring tipped tips velvet velvety West-Australian wildflower appearances arid Cacti cactus clumps coloring colouring display edge edges garden garden-display garden-plants irregular leaves light ornamental perennials plants pointed protection shape shapes sharp short-spikes small-spines spikes spines spiny succulents surface surfaces textures unusual