Are Lithocarpus and Epiphyllum in the same family?
Lithocarpus: Lithocarpus is a genus in the beech family Fagaceae, differing from "Quercus" in the erect spikes of insect-pollinated male flowers and the short styles with punctate stigmas on the female flowers. Epiphyllum: Epiphyllum ( ; "upon the leaf" in Greek) is a genus of 19 species of epiphytic plants in the cactus family (Cactaceae), native to Central America.
no