abstract appearance artificial background bars baubles chain christmas color colored colour coloured contrast contrasting dark decorated decorations decorative details fence fencing geometric geometrical gray grey home interconnected interlinked light pattern patterned patterns perspectives red shape shaped shapes silver spiked spikes style texture textured textures thick thin Cacti colorful colors colourful colours cultivars display edge edges flora floral display frilled frills garden display garden plant irregular leaf ornamental ornamental plants plant points protection sharp spines succulent surface surfaces tinged unusual abundance abundant agricultural-pest cactus edible edible-prickly-pear fast-spreading food fruit fruiting glochids green green-fruit Indian-fig introduced moisture nopales opuntia opuntia-ficus-indica paddle-cactus perennial platyclades prickles prickly-pear prickly-pear-cactus-fruit ripe ripe-fruit weed arid barrel barrel cactus clumps clusters coloring colouring compact covered echinocactus globose globular pointed pronounced ribs protective pups ribs round skin soft-wooded perennial spination spiny symmetrical symmetry thick tough skin to-the-point blooms composite composite-bloom curved floral flower flower-head flowering-shrub flowers garden-flower garden-plant leaves leucospermum-cordifolium nature open orange petals pin-cushion-shape pincushion pincushion-protea proteas shrub shrubs spike stalks stamens stigma symmetric yellow