The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.

叶孢子囊银杏的个发，表明银杏的孢子叶有叶性源的性质，叶孢子囊银杏可能是种奇特的嵌合。

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.

1.种植物附在另种植物的叶片上，前者被称为叶附植物或描述为叶上着。例如许多藓类。