Figure 1 from: Chen W-H, Wen F, Ren M-X, Yang L, Hong X, Qiu Z-J, Shui Y-M (2020) Gesneriaceae in China and Vietnam: Perfection of taxonomy based on comprehensive morphological and molecular evidence. 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: 1-5. https://doi.org/10.3897/phytokeys.157.56842