• (n.) The condition of having two or more kinds of flowers, different as to the length of their stamens and pistils.
Het`er·og'o·ny noun [ Hetero- + Greek ... offspring.] (Botany) The condition of having two or more kinds of flowers, different as to the length of their stamens and pistils. 
heterogony 1. A life cycle involving alternating parasitic and free-living generations. 2. A situation of having two or more kinds of flowers on the same plant which are different as to the length of their stamens and pistils.