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,
Rafflesia philippensis Manuel S. Enverga University (MSEUF), who formed a team composed of students and faculty to document the newly discovered "Rafflesia" species. The mature flower bud of "R. philippensis" has a diameter of around 13-16 centimeters. Its fully opened flower has a diameter of 29.3-32 centimeters, placing it in a group composed of other small-sized "Rafflesia" species such as "R. manillana", "R. lobata", and "R. baletei", whose open flowers measure an average of 20 centimeters in diameter. The open flower has 9-10 reddish perigone lobes measuring 9.0-10.5 centimeters with 8-12 white oval or elongated warts fused together along the median part