florescence or compound flower composed of a spadix or stalk of small and anatomically reduced male and female flowers, surrounded by a spathe that resembles a single giant petal. This plant has a mechanism to heat up the spadix enhancing the emission of the strong odor to attract its pollinators, carrion-eating beetles and "flesh flies" (family Sarcophagidae). It was first described scientifically in 1878 in Sumatra. Flower of Rafflesia kerrii, in Khao Sok National Park, Southern Thailand. Rafflesia Flowers of plants in the genus Rafflesia (family Rafflesiaceae) emit an odor to attract the flies that pollinate the plant. The world's largest single bloom is that of R. arnoldii. This rare flower is found in the rainforests of Borneo and Sumatra. It can grow to be 90 centimetres (3 ft) across and can weigh up to 7 kilograms (15 lb). R. arnoldii is a parasitic plant on Tetrastigma vine, which grows only in primary rainforests. It has no visible leaves, roots, or stem. It does not photosynthesize, but rather uses the host plant to obtain water and nutrients. House fly landing on a flower of Orbea variegata. Stapelia Plants in the genus Stapelia are also called "carrion flowers". They are small, spineless, cactus-like succulent plants. Most species are native to South Africa, and are grown as potted plants elsewhere. The flowers of all species are hair