结果表明 :这 2 0份紫苏试材可分成紫苏、回回苏、耳齿紫苏、野生紫苏和白苏 5个变种 ;

• The result of Cluster Analysis showed that 20 samples of Perilla frutescens (L.) Britt. in Yunnan could be divided into 5 varieties: var. crispa Deane ex Bailey, var. arguta (Benth.)