• 胚珠半球形的,2个被膜,腱鞘状,而孢子细胞直接作为孢子细胞作用

    The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.

    youdao

  • 胚珠半球形的,2个被膜,腱鞘状,而孢子细胞直接作为孢子细胞作用

    The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.

    youdao

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