Research Article

Identification and Phylogenetic Analysis of the Complete Chloroplast Genomes of Three Ephedra Herbs Containing Ephedrine

Figure 2

Codon content of 20 amino acid and stop codons in all protein-coding genes of the CP genomes of three Ephedra species. The order of every three columns is E. intermedia, E. sinica, and E. equisetina, respectively.