Origin of dioecious
Examples from the Web for dioecious
Shrubs, with monoecious or dioecious flowers in catkins, and aromatic foliage.The Plants of Michigan|Henry Allan Gleason
The tree is dioecious, bearing male catkins on one plant, female on another.
Many modifications in details occur, and the plants may be dioecious.
The flowers have no petals and are polygamous or dioecious (male, female and hermaphrodite flowers occur).
The flowers are dioecious, rarely monoecious, provided with one or two perianths.