Old-growth club vine - Old-growth club vine
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Protolepidodendrales is a group of fossil ferns (order) that were found in the Devonian period about 370 million years ago and are related to early club moss ferns. It includes Drepanophycus , Baragwanathia , Asteroxylon , Protolepidodendron (illustration), and Colpodexylon . The stems, which are 1 to 5 cm in diameter and have a radiating column, are covered with leaves arranged in a spiral. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
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初期のヒカゲノカズラの仲間で約3億7000万年前のデボン紀に産したシダ植物の化石群(目)Protolepidodendrales。ドレパノフィクスDrepanophycus，バラグワナチアBaragwanathia，アステロキシロンAsteroxylon，古生鱗木（りんぼく）Protolepidodendron（イラスト），コルポデキシロンColpodexylonなどを含む。放射中心柱をもつ直径1～5cmの茎は一面にらせん状に配列された葉で覆われている。
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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