aHeterogamous(Bot. & Biol) The condition of having two or more kinds of flowers which differ in regard to stamens and pistils, as in the aster.
Century Dictionary and Cyclopedia
heterogamousIn botany, bearing two kinds of flowers which differ sexually, as in most Compositæ and many Cyperaceæ. In the Compositœ the ray-flowers of the capitulum or head may be either neuter or female, and those of the disk male. In the Cyperaceæ the male and female flowers are frequently borne in different spikes from the same root, or in different parts of the same spike.
heterogamousIllustrative of or characterized by heterogenesis, or alternation of generations.
heterogamousOf or pertaining to heterogamy, or the marriage or pairing of unlike individuals.
Chambers's Twentieth Century Dictionary
adjHeterogamoushet-e-rog′a-mus (bot.) bearing two kinds of flowers which differ sexually, as in most Compositæ, &c
Webster's Revised Unabridged Dictionary
Hetero-, + Gr. ga`mos marriage: cf. F. hétérogame,