Rafflesia arnoldii which then pollinate the rare plant. It is not to be confused with the titan arum, "Amorphophallus titanum", which is also commonly referred to as the "corpse flower" because of its repulsive odor. "Rafflesia arnoldii" is rare and fairly hard to locate. It is especially difficult to locate the flower in forests, as the buds take many months to develop and the flower lasts for just a few days. The flowers are unisexual and thus proximity of male and female flowers is vital for successful pollination. These factors make successful pollination a rare event. When "Rafflesia" is ready to reproduce,
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