pubescence
n. 到达青春期,软毛; 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.
植物表面聚集的毛状物称为柔毛.
Especially this method is suitable for the leaf with pubescence.
这种方法特别适合于研究叶表皮密被绒毛的植物.