Fig. 5

RSCU values for stop codons and codons encoding 20 amino acids in nine chloroplast genomes. Each column in the bar chart represents a species, from left to right: Primulina flexusa, P. fordii, P. liboensis, P. malingheensis, P. obtusidentata, P. secundiflora, P. silaniae, P. tenuituba, and P. vestita. "#" denotes codons with RSCU > 1.