Glossopteridales

Japanese: Glossopteridales
Glossopteridales

...Fossils of Sphenopteris, Pekopteris, Alessopteris, and Emplectopteris with leaves bearing seeds have been reported in China and Korea, but there are few Paleozoic plant habitats in Japan, and no leaves bearing seeds have been found. The Glossopteridales, a major plant of the Southern Hemisphere's Gondwana continent, are also seed ferns, and their leaves are grouped into two morphological genera, Glossopteris and Gangamopteris , but the reproductive organs are so diverse that they cannot be grouped into two genera. Glossopteris species have simple leaves with secondary veins that become fine veins and form a net pattern.

*Some of the terminology that mentions "Glossopteridales" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…中国や朝鮮ではスフェノプテリス,ペコプテリス,アレソプテリス,エンプレクトプテリスEmplectopterisなどの葉に種子のついた化石が報告されているが,日本では古生代の植物の産地は少なく,種子をつけた葉は発見されていない。 南半球ゴンドワナ大陸の主要植物であるグロッソプテリス目Glossopteridalesもシダ種子類で,葉はグロッソプテリスGlossopteris,ガンガモプテリスGangamopterisの2形態属にまとめられているが,繁殖器官は種々さまざまで,とても2属にまとめられない。グロッソプテリス類は単葉で2次脈が細脈となり網目をつくる。…

※「Glossopteridales」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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