Figure 7 from: Zhu X, Li X, Liao S, Li G, Ma J (2019) The taxonomic revision of Asian Aristolochia (Aristolochiaceae) V: two new species from Yunnan, China. In: Cai J, Yu W-B, Zhang T, Li D-Z (Eds) Revealing of the plant diversity in China's biodiversity hotspots. PhytoKeys 130: 93-106. https://doi.org/10.3897/phytokeys.130.33933 - Zhu, Xinxin (2019)