Kayamonori (Kayamo Moss) - Kayamonori (English spelling) whip tube

Japanese: カヤモノリ(萱藻苔) - カヤモノリ(英語表記)whip tube
Kayamonori (Kayamo Moss) - Kayamonori (English spelling) whip tube
This brown algae from the family Cylindricae resembles the stems of torreya grass and grows in colonies on rocks in the intertidal zone in winter (illustration). Its body is cylindrical, 15-30 cm long, with numerous constrictions at short intervals. It is hollow inside and 0.5-1 cm thick. Cultivation experiments have confirmed that it grows from winter to spring, disappearing in summer and growing as a shell-like alga that clings to rocks. The body of Cylindrica we see is a gametophyte, and this shell-like body is a sporophyte. It is found along coastlines all over the world.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
冬季の潮間帯の岩上に群生するカヤの茎を思わせる褐藻カヤモノリ科の海藻(イラスト)。体は円柱状で長さ15~30cmになり,少し間隔をおいて多数のくびれをもつ。体の内部は中空で,太さは0.5~1cmになる。冬から春にかけて生育し,夏には消失して岩にへばりつく殻状藻として生育することが培養実験により確かめられている。われわれが見るカヤモノリの体は配偶体で,この殻状の体は胞子体である。世界各地の沿岸に分布する。

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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