These plants have rounded clusters of white flowers, as the guelder rose and certain species of the arrowwood.

这些植物，开有圆形的白色花簇，如欧洲荚莲和齿叶荚莲的某几个品种。

Any of several plants having rounded clusters of white flowers, as the guelder rose and certain species of the arrowwood.

一种植物，开有白色花朵的花串，如欧洲荚莲和齿叶荚莲的某几个品种。