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,
Leonard Co without submitting a thesis. Co worked as a museum researcher at the University of the Philippines Institute of Biology, and as a senior botanist at the Conservation International-Philippines. Co was the founding president of the Philippine Native Plants Conservation Society. and received credit for discovering eight new species of plants. Aside from these, two species of Philippine endemic plants have been named in his honor: the "Mycaranthes leonardi" orchid and the "Rafflesia leonardi", a parasitic plant species of the genus Rafflesia endemic to the Philippines and known for bearing the third largest flower in the world. A year before his