exannulate definition

  • adjective:
    • obtaining the sporangium destitute of a ring; said of particular genera of ferns.
    • Having the sporangium destitute of a ring; -- said of certain genera of ferns.
    • getting the sporangium destitute of a ring; stated of particular genera of ferns.
    • Having the sporangium destitute of a ring; -- said of specific genera of ferns.
  • others:
    • In botany, without a ring: put on those ferns where the sporangium is without flexible ring or annulus.
    • In botany, without a ring: placed on those ferns in which the sporangium is without the elastic band or annulus.
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