Figure 1 from: Xu Y-D, Yuan M-D, Wang R-J (2021) Morphology and molecules support the new monotypic genus Parainvolucrella (Rubiaceae) from Asia. PhytoKeys 180: 53-64. https://doi.org/10.3897/phytokeys.180.67624

Figure 1 Phylogenetic relationships of the Hedyotis-Oldenlandia complex derived from a combined analysis of ITS and plastid petD, rps16, trnH-psbA and trnL-F. Bayesian Posterior Probability (PP ≥ 0.5) and Bootstrap values (BS ≥ 50%) are indicated above and below the branches, respectively.