an epiphyte that grows on the surface, especially the upper surface, of leaves, as a lichen.
Origin of epiphyll
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
botany (of plants) growing on, or attached to, the leaf of another plant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012