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
Rafflesia schadenbergiana Pascal Lays found a specimen of this species in South Cotabato in 1994 while studying the Tasaday. A population of this rare "Rafflesia" species was recently discovered in Baungon, Bukidnon, just outside the buffer zone of the Mount Kitanglad Natural Park in 2007. For more information about the remarkable species, see the review in the following citation. "R. schadenbergiana" is endemic to the island of Mindanao, Philippines. Rafflesia schadenbergiana Rafflesia schadenbergiana is a parasitic plant species of the genus "Rafflesia". Known as ""bó-o"" to the Bagobo tribe and ""kolon busaw"" to the Higaonon tribe of Bukidnon, it has the largest