Аннотация:* Three types of Symplocos from the late Oligocene and Miocene of Guangxi showcase the diversity of Symplocos during this time. * Earliest Asian megafossils of Symplocos are from the late Oligocene of Nanning Basin, Guangxi, China. * Fossil records and modeling reveal Symplocos was quite diverse and has persisted at low latitudes within Asia since late Oligocene. * Climate probably plays a crucial role in driving the diversification of Symplocos in low latitudes of Asia.