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 abstract angles appearance background boards bollards cool dark darkened decking environment environmental gray grey hand-rails Jetty light lined lines marine-bollards old pier posts railing ripples rippling river riverside rough shadows sunlight sunshine support vibrant view wall water water's-edge weathered wood wooden worn