bamboo bambusa vulgaris clumps culms green green stripes low light tolerant ornamental painted bamboo striped vertical vertical stripes vittata woody grass yellow yellow culms abstract abstrakt book books fishmonk horizontal line lined lines pattern patterned patterns spine spines stripe stripes stripy abstraction background grunge texture wavy backdrop pastel regular structure structures textures wall wallpaper wave-shaped waves 45 degrees alive banana bananas growing leaf leaves live parallel plant Singapore color colorful colors colour colourful colours red