The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.
Epiphylly 1. The growth of a plant on the leaf of another plant. Such a plant is termed an epiphyll, or is described as epiphyllous. Examples include many mosses.