scatter diagram
1.In this paper, 10 morphological characteristics of 146 individuals of Viburnum betulifolium and its allies mainly collected from Shaanxi Province are analyzed by using pictorialized scatter diagram. The results show that the 146 individuals can be divided into three groups: B, L, and H, Group B tallies with V. betulifolium Batal, Group L with V. lobophyllum Graebn, Group H with V. hupehense Rchd.

