from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Biology Characterized by the fusion of unlike gametes in the reproductive process.
  • adj. Biology Characterized by reproduction involving the alternation of sexual and parthenogenetic generations.
  • adj. Botany Bearing male and female flowers.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. in which the stamens and pistils are not present in every flower; i.e. there are male and female flowers
  • adj. characterized by alternating generations of a parthenogenetic and sexual nature
  • adj. involving heterogametes in the reproductive process

from the GNU version of the Collaborative International Dictionary of English

  • adj. The condition of having two or more kinds of flowers which differ in regard to stamens and pistils, as in the aster.
  • adj. Characterized by heterogamy.

from The Century Dictionary and Cyclopedia

  • In botany, bearing two kinds of flowers which differ sexually, as in most Compositæ and many Cyperaceæ.
  • Illustrative of or characterized by heterogenesis, or alternation of generations.
  • Of or pertaining to heterogamy, or the marriage or pairing of unlike individuals.


from Wiktionary, Creative Commons Attribution/Share-Alike License

hetero- + -gamous



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