福建榕树植物的形态聚类分析

he 22 morphological characteristics of 30 species of common Ficus plants in Fujian province were analyzed by clustering in this study. Results showed that: the average Euclid Distance among different Ficus species is 5.3368; Euclid Distance between Ficus sarmentosa var. impressa and Ficus sarmentosa var. lacrymans is 1.7155, which is the closest one; the farthest Euclid Distance is between Ficus callosa and Ficus auriculata, which is 9.7707. At the Euclidean distance of 7.5751, 30 Ficus species in Fujian province were clustered into 6 groups: Group I include 6 Ficus species; Group II include 16 species; Both of Group III and Group V include 3 species; while there is only 1 species in Group IV and Group VI. The results can provide useful information for the classification of Ficus plants in Fujian province.