In dioecious plants we must aim at the reproduction of brothers and sisters.
Those trees are dioecious, you know, like us, and she isn't mated.
The plants are dioecious, the males forming higher, more erect and robust trunks than the females.
The tree is dioecious, there being separate male and female trees.
If I am right, it is very advisable not to use the term "dioecious," as this at once brings notions of separation of sexes.
Shrubs, with monoecious or dioecious flowers in catkins, and aromatic foliage.
A conspicuous example of a dioecious plant is the common aucuba, of which for years only the female plant was known in Britain.
Spinifex, a dioecious grass, is widespread on the coasts of Australia and eastern Asia, forming an important sand-binder.
The flowers have no petals and are polygamous or dioecious (male, female and hermaphrodite flowers occur).
Again, in the case of dioecious trees, only the female or pistillate bear fruit.
dioecious di·oe·cious or di·e·cious (dī-ē'shəs)
Of or relating to organisms, especially plants, having the male and female reproductive organs borne on separate individuals of the same species; sexually distinct.
Having male flowers on one plant and female flowers on another plant of the same species. The holly and asparagus plants are dioecious. Compare monoecious.