carpodium

plural carpodia

1. biologyAn abortive carpel, as in Typha.

   […] ovary and ovule are imperfectly developed or modified into a carpodium with a short style but lacking the expanded stigma of the fertile flower.

   1982, The Journal of the Australian Institute of Agricultural Science, page 4

   1 more example

   […] the carpodia occupy the central position which is normal for the pistil, but quite often two or three abortive female flowers occur adjacent to one another and become more or less fused together.

   1939, Contributions from the New South Wales National Herbarium, page 84