Bot. [a. Fr. amphigame, f. Gr. ἀμφί on both sides + γάμος marriage.] A name given by De Candolle to the lowest order of plants, supposed to have no distinct sexual organs, also called Agamæ.
1845. Lindley, Sch. Bot. (1858), ix. 151. Amphigams, plants having neither air vessels nor stomates.