dioecious

/dahy-ee-shuhs/US // daɪˈi ʃəs //UK // (daɪˈiːʃəs) //

雌雄同体,雌雄同体的,雌雄同株,雌雄异体

Definitions

adj.形容词 adjective

1
Biology.
- : having the male and female organs in separate and distinct individuals; having separate sexes.

Grapes are not to-day considered dioecious but polygamo-dioecious, a distinction which will be defined later.
Again, in the case of dioecious trees, only the female or pistillate bear fruit.
If I am right, it is very advisable not to use the term "dioecious," as this at once brings notions of separation of sexes.
The flowers are dioecious, rarely monoecious, provided with one or two perianths.
The flowers have no petals and are polygamous or dioecious (male, female and hermaphrodite flowers occur).