platyspermic

platyspermic
  Of seeds, flattened so as to be not radially symmetrical, e.g. Cycas seeds.
  See also actinomorphic, zygomorphic.
  Cf. radiospermic.

Expanded glossary of Cycad terms . 2014.

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Look at other dictionaries:

  • platyspermic — platy·spermic …   English syllables

  • platyspermic — | ̷ ̷ ̷ ̷+ adjective Etymology: platy + spermic of a seed : bilaterally symmetrical …   Useful english dictionary

  • radiospermic —   Of seeds, radially symmetric, e.g. the seeds of all cycad genera except Cycas.   See also actinomorphic, zygomorphic.   Cf. platyspermic …   Expanded glossary of Cycad terms

  • zygomorphic —   Of a bilaterally symmetric structure that can be halved only in one plane to give two halves that are mirror images of each other; of seeds, platyspermic.   Cf. actinomorphic …   Expanded glossary of Cycad terms

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