Definitions

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

  • adj. Of or relating to a flower in which the anthers release their pollen before the stigma of the same flower is receptive.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Exhibiting protandry.
  • adj. Whose male parts (anthers) becomes mature before the female ones (stigma).
  • adj. Whose male parts (antheridia) release their spermatozoids before the female parts (archegonia) mature.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Proterandrous.

from The Century Dictionary and Cyclopedia

  • In botany, same as proterandrous.

Etymologies

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  • The word protandrous can also refer to the same phenomenon in the hermaphrodite form of the worm Caenorhabditis elegans, which matures and releases large sperm loads before development of its oocytes.

    December 10, 2010