Cycadopsida

📖 中文释义

  1. 苏铁纲
📘 English Definition(英文释义)
  1. n. palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)