Begonias blotched blotches blotching color coloration colored colorful colors colour coloured colourful colours contrast decorative distinctive diverse drought-tolerant exotic fancy-foliage fancy-leaf foliage herbaceous leaves ornamental patterned perennials plants shade shaded shady shape shaped shapes showy-foliage subtropical surface surfaces surfacing tactile texture textured textures tropical varied variegated varieties variety appearances arid barrel barrel-cactus Cacti cactus clumps clusters coloring colouring display edge edges flora frilled frills garden-display garden-plants green irregular light pointed protection ribbed ribbing ribs round sharp short-spikes small-spines spikes spines spiny succulents sunlight unusual variations sky various tall