appearances attracted attraction carnivorous carnivorous-plants clumps clusters coloring colors colouring colours cover digest digested digesting display edge edges enzymes flora funnel herbaceous insect-trap insects nectar-like-secretions nutrient-source nutrients operculum perennials pitcher pitcher-plant plant prey proteases rim sarracenia species trap unusual variations variety various vegetation arid Cacti cactus frilled frills garden-display garden-plants green irregular leaves light ornamental plants pointed protection ribbed ribbing ribs shape shapes sharp short-spikes small-spines spikes spines spiny succulents sunlight surface surfaces tall textures analyse backdrop background bacteria blood blood analysis cells cleaning color colour concept contamination culture disease disinfect Ebola germs graphic health health care illness immune immune system immunity infection medical medicine microbes microscopic mitosis pathogens petri dish probiotics red sample science sickness slides swab test texture tissue unclean virus abalone-mushrooms abstract appearance Asian-cooking brown-oyster-mushrooms cream-oyster-mushrooms cuisine cultivar cultivated delicacy edible exotic-mushrooms fan-shaped flat-mushroom gilled-mushrooms hiratake mushrooms oyster-mushrooms oyster-shelf perspectives pleurotus-ostreatus saprobic straw-mushroom tamogitake textured thick thin tree-mushrooms tree-oyster blooms bougainvillea bracts bright clambering vine climber colored colorful coloured colourful cultivars dark pink evergreen flower flowering plants flowers ornamental plants paper flowers papery papery bracts pink popular showy sprays spreading thorny vine vivid white woody woody vine