Rafflesia Park where the flowers are numbered and monitored by the park rangers. "Rafflesia" are also remarkable for showing a large horizontal transfer of genes from their host plants. This is well known among bacteria, but not higher organisms. The name "corpse flower" applied to "Rafflesia" can be confusing because this common name also refers to the titan arum ("Amorphophallus titanum") of the family Araceae. Moreover, because "Amorphophallus" has the world's largest unbranched inflorescence, it is sometimes mistakenly credited as having the world's largest flower. Both "Rafflesia" and "Amorphophallus" are flowering plants, but they are only distantly related. "Rafflesia arnoldii" has
West Sumatra Mentawai earthquake and tsunami. The province includes large areas of dense tropical forest, which is home to a host of species including: "Rafflesia arnoldii" (world's largest flower), Sumatran tiger, siamang, Malayan tapir, Sumatran serow, rusa deer, Malayan sun bear, Bornean clouded leopard, and many birds and butterflies. The province includes two national parks: Siberut National Park and Kerinci Seblat National Park, as well as a number of nature reserves: Rimbo Panti Nature Reserve, Batang Palupuh Nature Reserve, Lembah Anai Nature Reserve, Lembah Harau Nature Reserve, Bung Hatta Grand Forest Park, and Beringin Sakti Nature Reserve. West Sumatra Province is subdivided