1. This study means significant to the ontogeny of Isoetes.
   本研究对水韭属植物个体发育具有借鉴意义。
2. The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.
   叶生小孢子囊银杏的个体发生，表明银杏的小孢子叶有叶性来源的性质，叶生小孢子囊银杏可能是一种奇特的嵌合体。
3. Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
   摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖的方式产生，异配子体交配又可分为异配子体自交和异配子体异交两种方式。This study means significant to the ontogeny of Isoetes.
   本研究对水韭属植物个体发育具有借鉴意义。
4. Most of these genes have not been reported to relate to the haematogenesis in ontogeny.
   这些基因大多数在胚胎分化造血发育中的作用尚未见报道。
5. The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.
   叶生小孢子囊银杏的个体发生，表明银杏的小孢子叶有叶性来源的性质，叶生小孢子囊银杏可能是一种奇特的嵌合体。
6. Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
   摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖的方式产生，异配子体交配又可分为异配子体自交和异配子体异交两种方式。

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