Polygamia

[Sonia]

A Linnaean class of plants, characterized by having
both hermaphrodite and unisexual flowers on the same plant.

[Jason Yan]

In the Linnaean artificial system: the twenty-third class of plants, comprising those that bear both hermaphrodite and unisexual (male or female) flowers, on the same or different plants; (also) any of the orders of the class Syngenesia that comprise plants bearing inflorescences composed of many florets (as in plants of the family Asteraceae (Compositae)).