Rafflesia arnoldii of Sumatra and Borneo. To help counter the over-collection of this rare plant, residents that have "Rafflesia" on their private property are encouraged to save the flowers and charge a small fee to see them. Rafflesia arnoldii Rafflesia arnoldii, commonly called the corpse lily, is a species of flowering plant in the parasitic genus "Rafflesia". It is noted for producing the largest individual flower on Earth. It has a very strong and unpleasant odour of decaying flesh, earning it the nickname "corpse flower". It is endemic to the rainforests of Sumatra and possibly Borneo. Although there are some plants with
Rafflesia tuan-mudae In July 2008, one of the largest flowers measuring 95 cm was recorded in the park. This is probably the one measured and photographed by Dr. D. L. Nickrent of Southern Illinois University at this location. Some taxonomists consider R. tuan-mudae and R. arnoldi to be subspecies of the same taxon. Rafflesia tuan-mudae Rafflesia tuan-mudae is a member of the Rafflesiaceae family. It lives as a parasite on the "Tetrastigma" vine. The enormous flowers may reach up to 1 m in diameter. The buds normally emerge where the vine is growing along the ground, unlike some of the other "Rafflesia"