What is having three sorts of flowers on the same or on different plants, some of the flowers being staminate, others pistillate, and others both staminate and pistillate; belonging to the order Trioecia called?

trioecious — Having three sorts of flowers on the same or on different plants, some of the flowers being staminate, others pistillate, and others both staminate and pistillate; belonging to the order Trioecia. (Webster's 1913.)

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