Heterogamous \Het`er*og"a*mous\, a. [Hetero- + Gr. ga`mos
marriage: cf. F. h['e]t['e]rogame.] (Bot. & Biol.)
(a) The condition of having two or more kinds of flowers
which differ in regard to stamens and pistils, as in the
aster.
(b) Characterized by heterogamy.
[1913 Webster]