n. plPolygamia(Bot) A Linnæan class of plants, characterized by having both hermaphrodite and unisexual flowers on the same plant.
Century Dictionary and Cyclopedia
polygamiaIn the Linnean system of classification, a class of plants bearing both hermaphrodite flowers and those with the sexes separated, the different flowers being scattered either on the same plant or on two or three distinct individuals.
Chambers's Twentieth Century Dictionary
n.plPolygamiathe 23d class in the Linnæan system, embracing plants in which the stamens and pistils are separate in some flowers and associated in others