Figure 4.

Phylogenetic tree of 59 known species and 47 herbal products available from drug markets using the NJ method. Bootstrap scores (1000 replicates) are shown (≥50%) for each branch. Green shows the clade of C. orbiculatus, purple shows the clade of T. wilfordii, red shows the clade of C. angulatus, and blue shows the clade of outgroups. The solid rhombus represents the products labeled as Nst, which is Celastrus orbiculatus and the hollow rhombus represents Lgt, which is Tripterygium wilfordii.