Porphyridium cruentum Naegeli - Porphyridium cruentum Naegeli

Japanese: チノリモ(血糊藻) - チノリモ（英語表記）Porphyridium cruentum Naegeli

This dark red alga grows in places exposed to the air, such as shady marshes and stone walls, or on the soil and glass surfaces of greenhouses, in a state that resembles pasty blood. The body is a spherical single cell measuring 7 to 10 μm in diameter, but many individuals multiply by binary fission and exist gathered in a mucilage, giving the whole thing the appearance of pasty blood. The Japanese name is derived from this state. It belongs to the family Porphyra, order Porphyra, and family Porphyra, but because it has star-shaped plastids in its cells, it is thought to be closely related to Porphyra fasciata and Porphyra japonica, which have similarly shaped plastids.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

陰所の湿地や石垣，あるいは温室の土壌表面やガラス面など，空中に露出した場所に血のりをつけたような状態で生育する暗紅色の紅藻。体は径7～10μmの球形の単細胞であるが，2分裂によって増殖した多数の個体が粘質物中に集まって存在するので，全体は血糊のように見える。和名はこの状態に由来する。紅藻綱チノリモ目チノリモ科に所属するが，細胞内に星状の色素体をもつことから，似た形状の色素体をもつウシケノリやアマノリなどと近縁の藻と考えられている。

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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