Potamogeton

常見(jiàn)例句

用作名詞 (n.)

• The existence of bract primordium during the early stages in many species of Potamogeton indicates that the absence of bract in mature flowers should be the result of reduction.
  在花原基早期發(fā)育的過(guò)程中苞片原基的存在表明眼子菜屬植物成熟花中缺乏苞片是簡(jiǎn)化的結(jié)果。
返回 Potamogeton