carpophyte

n. [ Gr. karpo`s fruit + fyto`n plant. ] (Bot.) A flowerless plant which forms a true fruit as the result of fertilization, as the red seaweeds, the Ascomycetes, etc. [ 1913 Webster ]

☞ The division of algæ and fungi into four classes called Carpophytes, Oophytes, Protophytes, and Zygophytes (or Carposporeæ, Oosporeæ, Protophyta, and Zygosporeæ) was proposed by Sachs about 1875. [ 1913 Webster ]