pubescence
n. 到達青春期,軟毛; 柔毛; 短柔毛
1. the time of life when sex glands become functional
The collective trichome cover of a plant surface is called pubescence.
植物表面聚集的毛狀物稱為柔毛.
Especially this method is suitable for the leaf with pubescence.
這種方法特別適合於研究葉表皮密被絨毛的植物.