Epiphyllum (“upon the leaf” in Greek) is a genus of 19 species of epiphytic plants in the cactus family, native to Central America. In July 2015 Wenling Ma recorded the 16 day journey of watching her Epiphyllum grow and flower.
Ma, Wenling, "The Joyful and Excited Journey of Watching My Beautiful and Spectacular Epiphyllum Flowering" (2015). Library Publications. 33.