Fig. 1.

Gene maps of Saussurea plastid genome. (a) S. albifolia. (b) S. diamantica. The genes inside and outside the circle are transcribed in the clockwise and counterclockwise directions, respectively. Genes belonging to different functional groups are shown in different colors. The gray area in the inner circle indicates guanin–cytosine (GC) content while the lighter gray area shows adenosine–thymine (AT) content. S. calcicola, S. grandicapitula, and S. seoulensis share the same plastome structure in terms of gene contents and gene order with S. albifolia despite their different length