carpophyll

from The Collaborative International Dictionary of English v.0.48

Carpophyll \Car"po*phyll\, n. [Gr. karpo`s fruit + ? leaf.]
   (Bot.)
   A leaf converted into a fruit or a constituent portion of a
   fruit; a carpel.

   Note: [See Illust. of {Gymnospermous}.]
         [1913 Webster]