大だい胞ほう子し

noun

macrospore; megaspore

Botanical term for the larger spore in heterosporous plants, which develops into a female gametophyte.

• 大だい胞ほう子しは雌し性せい配はい偶ぐう体たいに成せい長ちょうする。

  The megaspore develops into a female gametophyte.