a. Bot. [f. EPI- + Gr. φύλλ-ον leaf + -OUS.] That grows upon a leaf: predicated a. of parasitical fungi; b. of stamens inserted upon the perianth; c. of flowers growing on the surface of a leaf.
1835. Lindley, Introd. Bot. (1848), II. 380. Epiphyllous; inserted upon the leaf.
1872. Oliver, Elem. Bot., I. v. 51. There are [in Daffodil] six stamens, inserted upon the perianth (epiphyllous).
1874. M. Cooke, Fungi, 128. The epiphyllous Coniomycetes.