The Collaborative International Dictionary
Amphigamous
Amphigamous \Am*phig"a*mous\, a. [Gr. ? + ? marriage.] (Bot.) Having a structure entirely cellular, and no distinct sexual organs; -- a term applied by De Candolle to the lowest order of plants.
Wiktionary
amphigamous
a. (context botany English) Having an entirely cellular structure and no distinct sexual organs.