Coleochaete (English spelling)

Japanese: コレオケーテ（英語表記）Coleochaete

The body is an upright branching filament, or a pseudoparenchymal disk of cells arranged radially and densely on a flat surface, both of which grow in ponds and marshes. Reproduction is by eggs and sperm. Oviparous organelles are formed on the sides of the branches, and their tips grow long to become fertilization hairs that help capture sperm. When fertilized, cell filaments extend from the cells near the egg and completely surround the fertilized egg. This part is specifically called the spermocarp. When the fertilized egg matures, it undergoes meiosis to become usually 4 to 8 zoospores.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

体は直立分枝する糸状体，または細胞が平面に放射状に密に並んでできた偽柔組織の盤状体で，いずれも池や沼などに生育する。生殖は卵と精子による。生卵器は枝の側部に形成され，その先端は長く伸びて受精毛となり，精子をとらえるのに役だつ。受精すると，卵の付近の細胞から細胞糸が伸長し，受精卵を完全にとり囲む。この部分はとくにスペルモカルプspermocarpと呼ばれる。受精卵は成熟すると減数分裂して通常4～8個の遊走子となる。

出典　株式会社平凡社世界大百科事典第２版について　情報

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