attract-prey attracted attraction carnivore carnivorous carnivorous-plants clumps clusters coloring colors colouring colours cover devour digest digested digesting display distinctive edge edges enzymes flora flowers funnel herbaceous insect-trap insects nectar-like-secretions nutrient-source nutrients operculum passive-trap perennials pitcher-plants pitchers pitfall-traps plants prey proteases rims slippery species trap unusual variations variety vegetation veins asymmetrical balde blades bows clip clipping color colored colour coloured cut cutting discoloration domestic fastened hand-operated-shearing-tools handles home instrument keen metal open opened overlapping-blades pair-of-metal-blades pivoted-blades scissors sharp sharpened-edges shearing shears shiny silvery specialized-purposes steel tarnish tarnished thermoplastic-handles tools trimming worn kitchen-shears serrated-edge spring Tension closed finger-rest pointed pointy child-safe child-scissors rounded