蘆ろ木ぼく

noun

calamite

A genus of extinct, tree-like horsetails from the Carboniferous period. Used in paleobotany and geology.

• 蘆ろ木ぼくは石せき炭たん紀きの代だい表ひょう的てきな植しょく物ぶつの一ひとつである。

  Calamites is one of the representative plants of the Carboniferous period.