<正>本文讨论了悬铃木毛的类型及其发育。芽、枝、叶、花、果上的毛,其形态结构各不相同,但均为表皮毛,起源于各器官的表皮,且在芽内形成毛体,成熟时以不同方式脱落,引起污染和为害。

This paper deals with the hair types and their development of the tree. There are a lot of various hairs on the scales, shoots, leaves, flowers and fruits. They are epidermal hairs which form early in the buds. When those organs mature, the hairs fall in different ways, which causes contamination and harms the healh of people.