Drawing of the most parsimonious tree generated from six cpDNA and two nrDNA regions (partial & unpublished). Bootstrap values are shown above branches and Bayesian posterior probabilities are indicated below branches.

 
 
  Part of: Qiu Z-J, Zhang J, Baskaran X-R, Hu J, Li Z-Y, Liu Z-Y (2020) Petrocosmea nanchuanensis (Gesneriaceae), a new species from Chongqing, China. In: Shui Y-M, Chen W-H, Ren M-X, Wen F, Hong X, Qiu Z-J, Wei Y-G, Kang M (Eds) Taxonomy of Gesneriaceae in China and Vietnam. PhytoKeys 157: 137-144. https://doi.org/10.3897/phytokeys.157.33625