Kalanchoe spathulata, a native Philippine succulent
As one might expect, the succulent flora of tropical regions are rather depauperate compared to those in more arid climates further north or south of the equator. However, families of primarily succulent plants persist even in the tropics, notably the Crassulaceae , which encompasses well-known succulent genera such as Crassula and Echeveria . In the Philippines, two genera are present- Kalanchoe and Sedum . The former was very poorly understood until quite recently, and many thought that plants found in a wild state in parts of the archipelago were escapees from cultivation, notwithstanding the fact that the plants seen farthest from human settlements all bore yellow flowers and thus lending suspicion that all were from the same species. Perhaps the most popular species in cultivation, K. blossfeldiana , has not been found in the wild despite its prevalence in gardens around towns. Three Kalanchoe species that are not native to the Philippines which have established feral ...