The Collaborative International Dictionary
Heterogony
Heterogony \Het`er*og"o*ny\, n. [Hetero- + Gr. ? offspring.] (Bot.) The condition of having two or more kinds of flowers, different as to the length of their stamens and pistils.
Wiktionary
heterogony
n. (context botany English) The condition of having two or more kinds of flower, different as to the length of their stamens and pistils.