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 succulents surface surfaces textures unusual appearance blooming blooms bouquet bunch Carnation carnations color colored colour coloured cultivar Dianthus dianthus-caryophyllus distinctive flower flowers fragrant garden-plant gift heavenly-flower herbaceous love nature peace perennial plant scent scented symbol symbolic symbolism