1、In higher plants gamogenesis is alternated with a sexual generation a placental generation, sometimes also with sporo - genesis .
在高等植物中，有性生殖与性世代、胎盘生殖有时也伴有孢子生殖交替进行。
2、Gametophyte is the first formation in the late development of plant spore as in corn kernels by pollination or gamogenesis.
孢子为芽发育晚期，可为种穗小花粉粒造粒后的花药发育为个体发育的过程之前最先形成的一代。