Flowers shaped and smelling like a rodent's ear attract small blood-sucking flies, which are deceived by the appearance and odor and get trapped in the convoluted flower form for a day, then escape to pollinate another plant. It attracts the pipevine swallowtail,Naturewide Images, Robert A. Behrstock, ATTRACTING WILDLIFE I and is where the butterfly gets its distasteful toxins that protect the butterfly from predation. The caterpillar may eat all of the leaves on a plant, but they then grow back.
