Pteridospermopsida
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…the extinct class of gymnosperms, Pteridospermopsida. The leaves are pinnately compound like ferns, but the reproductive organs are seeds rather than sporangia. … *Some of the terminology that mentions "Pteridospermopsida" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…裸子植物の絶滅綱Pteridospermopsida。葉はシダ型の羽状複葉だが，繁殖器官として胞子囊ではなく種子を葉につける。… ※「Pteridospermopsida」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 |
>>: Pteris nipponica (English spelling) Pterisnipponica
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