CarpophyteCar"po*phyte\ (k[add]r"p[-o]*l[imac]t), 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. Note: The division of alg[ae] and fungi into four classes called Carpophytes, O["o]phytes, Protophytes, and Zygophytes (or Carpospore[ae], O["o]spore[ae], Protophyta, and Zygospore[ae]) was proposed by Sachs about 1875.