abstract backdrop background canvas colors colours grunge grungy paint painting paper papier pastel pastels rough series strokes textures variation variations accent-plants appearance bracts bromeliads color colored colorful coloring colour coloured colourful colouring epiphytes epiphytic exotic flora flower-spikes flowers focal-plants foliage hardy inflorescence interesting leaves monocots offsets ornamental ornamental-foliage pineapple-family plantlets plants pups rosette scape Sizes spiral-arrangement texture thick-foliage unusual variety abundance angles bricks firm pavers paving perspectives quantity solid stacked stacks strength strong surface surfaces