abstract abundance allium aromatic background beneficial bulb bulbs bulk clove cloves clusters condiment cooking culinary cultivars dry flavor flavoring flavour flavouring food food-source fragrant garlic health-food healthy medicinal mild offsets onion-family papery peel peeling plants plenty pungent quantity raw seasoning shapes size skins surfaces texture textures variety vegetables wallpaper attract-prey attracted attraction carnivore carnivorous carnivorous-plants clumps 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 prey proteases rims slippery species trap unusual variations vegetation veins