kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
family: Convolvulaceae Juss. >
subfamily: Convolvuloideae Burnett >
genus: Ipomoea L. >
China (Hainan); S-Ryukyu Isl.; Taiwan (Lan Yu Isl.); Sulawesi; Philippines (Luzon, Mindanao); Java; Moluccas (Kei Isl.)