spirodela   (TTS Sound)

The spirodela has 1 Senses.

• spirodela, genus spirodela
• minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots
• 水面に浮かぶ微小な水生草本で、光沢のある葉状体と2―21本の根からなる