...It grows by repeatedly branching into two branches, but the rear part gradually rots and branches separate, increasing the number of individuals. There are seven species of Riccia in Japan, and all but Riccia appear on the soil of fields and paddy fields mainly from autumn to winter. The sporophyte of this genus has the simplest structure among mosses, with no stalk or foot, and the capsule is buried in the thallus. ... *Some of the terminology that refers to the genus "Pycnonotus" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…二叉(にさ)分枝を繰り返しながら生長するが,後方からしだいに腐って枝が分離して個体数をふやす。ウキゴケ属Ricciaは日本に7種あるが,ウキゴケ以外は,主として秋から冬にかけて畑や水田の土上に出現する。この属の胞子体はコケ植物の中で最も単純な構造をもち,蒴柄(さくへい)も足もなく,蒴は葉状体の中に埋もれている。… ※「ウキゴケ属」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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