The Collaborative International Dictionary
Heterocarpism
Heterocarpism \Het`er*o*car"pism\, n. [Hetero- + Gr.? fruit.] (Bot.) The power of producing two kinds of reproductive bodies, as in Amphicarp[ae]a, in which besides the usual pods, there are others underground.
Wiktionary
heterocarpism
n. (context botany English) The power of producing two kinds of reproductive body, as in ''Amphicarpaea'', in which besides the usual pods there are others underground.