Rock ivy - Caulerpa

Japanese: イワヅタ(岩蔦) - イワヅタ(英語表記)Caulerpa
Rock ivy - Caulerpa
A type of algae belonging to the order Myrtles, which grows on rocks near the low tide line. There are many species, including Hemerocalus arvensis, Hemerocalus nigricans, Hemerocalus dulcis, Hemerocalus nigricans, and Hemerocalus nigricans. The stems of all of them that grow on the rocks have rhizoids here and there and small branches that grow up. These small branches further produce leaf-like, obovate, or spherical small branches, depending on the species, and all of these small branches form polynuclear bodies with cells linked together, indicating that they are so-called non-cellular organisms.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
緑藻類ミル目に属し,低潮線付近の岩上にはうように着生する藻類。ヘライワヅタ,フサイワヅタ,ヒメイワヅタ,スリコギヅタ,クロキヅタなどいろいろの種がある。いずれも岩上をはっている茎状部はところどころで仮根をおろし,また小枝が立上がっている。その小枝からはさらに種によって葉状,倒卵状,球状の小枝を生じるが,それらの小枝はすべて細胞が互いに連なった多核体をなしており,いわゆる非細胞生物であることがわかる。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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