The Rafflesia arnoldii is the largest individual flower on earth. Spanning a diameter of 3 foot (1 meter) and weighing about 11 kg it lives as a parasite on the Tetrastigma vine which is found primarily in undisturbed forests. This vascular plant actually lacks chlorophyll, stems, leaves and even roots! It grows as thread-like strands of tissue embedded within the hosts cells where it obtains nutrients and water. It is only visible when it is about to reproduce.
Its nicknamed the corpse flower as it produces a disgusting odor that resembles decaying flesh, this is to attract flies and insects which pollinate the rare plant.
Look Familiar? Its also the inspiration behind the pokemon Gloom and its evolution Vileplume (if it wasn’t cool enough!)