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Etymology edit

Annonaceae +‎ -ous

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Adjective edit

annonaceous (not comparable)

  1. (botany) Of or pertaining to the soursop and other members of the Annonaceae family.
    The soursop fruit comes from an annonaceous plant.
    • 1917 May, Vaughan MacCaughey, “The genus Annona in the Hawaiian islands”, in Torreya, a Monthly Journal of Botanical Notes and News, volume 17, number 5, page 76:
      Those of the biriba attain a diameter of six or eight inches, and have been pronounced to be the finest annonaceous fruit of tropical America.

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