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Dioecious

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Definition: Dioecious trees are those trees where individual members are usually of a single sex (the word deriving from the Greek for "two households"). Dioecious trees have male (staminate) flowers on one plant and and female (pistillate) flowers on another plant. A single dioecious tree has distinctly female or male reproductive parts. Interestingly, the majority of animal species are dioecious but in tree sexuality, there are many monoecious species.
Examples:
A tree that is considered only a male or female is considered to be dioecious. The most common dioecious tree species are ashes, holly, mulberry and ginkgo.
Glossaries Relating to Trees and Forests

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