abstract background brown cereal cereals food grain grains integral monocot nutrition plant plants rice saavem seed texture accent-plants appearance bracts bromeliads color colored colorful coloring colors colour coloured colourful colouring colours epiphytes epiphytic exotic flora flower-spikes flowers focal-plants foliage hardy inflorescence interesting leaves monocots offsets ornamental ornamental-foliage pineapple-family plantlets pups rosette scape Sizes spiral-arrangement thick-foliage unusual variations variety