monogamia

from The Collaborative International Dictionary of English v.0.48

Monogamia \Mon`o*ga"mi*a\, n. pl. [NL. See {Monogamous}.] (Bot.)
   A Linnaean order of plants, having solitary flowers with
   united anthers, as in the genus {Lobelia}.
   [1913 Webster] Monogamian