order psilotales   (TTS Sound)

The order_psilotales has 1 Senses.

• order psilotales, psilotales
• lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
• 空中の若枝と根茎に分かれた二叉の枝分かれした胞子体があり、真性の根がない下等維管束植物