Fig. 3From: Application of chloroplast genome in the identification of Traditional Chinese Medicine Viola philippicaUnique variation sites in ndhF, rpl22, and ycf1 of Viola philippica. Alignment of four fragment sequences of 17 Viola species. AndhF, (B) rpl22, (C) ycf1. The black arrow at the bottom indicated four species-specific variation sites in Viola philippicaBack to article page