Fig. 2From: Degradation of key photosynthetic genes in the critically endangered semi-aquatic flowering plant Saniculiphyllum guangxiense (Saxifragaceae)ML phylogeny of Saxifragales plastid genomes. Saniculiphyllum shown in bold; labelled clades correspond to the terminology of [26]. The scale bar represents per-site substitution rate. Branch labels represent bootstrap frequenciesBack to article page