...于配子体上，孢萌中含有大量孢子，产生孢子的组织称造孢组织(sporogenous tissue)，造 孢组织产生孢子母细胞(spore mother cell)，每个孢子母细胞经过减数分裂形成4个孢子,孢子成熟后散布于体外。
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The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
胚珠是半球形的，有2个被膜，腱鞘状，而原孢子细胞直接作为大孢子母细胞起作用。
The ovary contains 20-23 ovules. The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
子房具胚珠20—23枚，胚珠横生，珠被二层，薄珠心，孢原细胞直接起大孢子母细胞作用。
One inclusion was formed within the exosporium and remained with the spore after mother cell lysis.
在母细胞裂解后，在孢子囊内形成一个包涵体，并保留在孢子中。
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