pubescence

英 [pjʊ'bes(ə)ns] 美[pjʊ'bɛsns]

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.