Growing on leaves, for example applied to vegetatively propagated plantlets in some members of the family Crassulaceae. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
E·piph'yl·lous adjective [ Greek 'epi` + fy`llon leaf.] (Botany) Growing upon, or inserted into, the leaf. Found on http://www.encyclo.co.uk/webster/E/56
• (a.) Growing upon, or inserted into, the leaf.
Growing on leaves, for example applied to vegetatively propagated plantlets in some members of the family Crassulaceae. ... (09 Oct 1997) ... 
E·piph'yl·lous adjective [ Greek 
On a leaf.