…There are several types of life cycles known for the Eurhodophyta subclass, the two main types being: (a) Polysiphonia type: A succession of three generations consisting of a gametophyte, a carposporophyte growing within the gametophyte, and a tetrasporophyte with the same external shape as the gametophyte. This is seen in many red algae, including Agarwood, Hornwort, and Carpinus cernua. … *Some of the terminology explanations that refer to the "Itgusa type" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…真正紅藻亜綱の生活史には数型が知られ,そのおもなものに次の二つがある。(a)イトグサ型Polysiphonia‐type 配偶体と配偶体に内生する果胞子体,および配偶体と外形が同じ四分胞子体の三つの世代が順次に循環する世代の交代。テングサ,ツノマタ,イギスなど多くの紅藻に見られる。… ※「イトグサ型」について言及している用語解説の一部を掲載しています。 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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