appearances arid Cacti cactus clumps clusters coloring colors colouring colours display edge edges flora 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 abundant attractive beautiful bloom blooms bright brilliant colorful colourful conspicuous cultivars cultivated decoration decorative floral flowering-tree flowers foliage garden-flower green greenery hardy nature petals pink plant texture textured tree trees