二球悬铃木(Platanus hispanica Muenchh)别名英国悟桐,属悬铃木科(Platanaceae),是优良的行道和庭园绿化树种,在我国北方和南方的大城市均有种植,但在很多城市发现,悬铃木的树干上出现很多凹凸不平的瘤状物,不仅有碍美观而对树势生长也有不良影响。此现象在成都更显突出。为此,我们于1984年至1985年对悬铃木树干瘤的分布,成因进行了调查研究,现将结果整理于后。 Platanus hispanica Muenchh alias British Goose, belongs to the Platanaceae family (Platanaceae), is an excellent greenway trees and landscaping, in northern and southern cities in China are planted, but in many cities found that the trunk of Platanus On the emergence of many uneven nodules, not only hinder the appearance of the growth of trees also have a negative impact. This phenomenon is even more prominent in Chengdu. To this end, we from 1984 to 1985 on the distribution of Susceptible Trichosanthes tumor, a cause of investigation and research, the results are now sorted out.