The archesporium in its pistils directly developed into megaspore mother cells, which later divided into macrospores through meiosis.

  • 孢原细胞直接发育成大孢子母细胞,然后大孢子母细胞减数分裂形成大孢子。

  • 互联网摘选 2025-01-20 19:10:50

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