Each individual floret of the spikelet is also subtended by two bracts, the lower being called the lemma and the upper the palea.

 
  • 每一朵能发育的花的外面又有两片鳞片状的薄片包住,称为稃片,外面的一片称外稃,是花基部的苞片,里面的一片称内稃。
今日热词
目录 附录 查词历史