Figure 4 from: Jiang H, Deng T, Lv X-Y, Zhang R-B, Wen F (2019) Primulina serrulata (Gesneriaceae), a new species from southeastern Guizhou, China. PhytoKeys 132: 11-18. https://doi.org/10.3897/phytokeys.132.36717

Figure 4 The corolla throat character of Primulina serrulata's congener, P. fimbrisepala. A from Wenzhou city, Zhejiang B from Ziyuan County, Guangxi C from Jinxiu County, Guangxi D from Ruyuan County, Guangdong. Photoed by Fang Wen, Charted by Wen-Hua Xu.