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

叶子囊银杏的个体发，表明银杏的子叶有叶性来源的性质，叶子囊银杏可能是一种奇特的嵌合体。