1、Heterogamy is the union of two gametes of opposite sex or mating types.
异配是两个相反性别或交配类型的配子的结合。
2、In plants, heterogamy refers to the presence of both male and female reproductive organs on separate plants.
在植物中，异配指的是在不同的植物上同时存在雄性和雌性生殖器官。