Hydrocotyle chiangdaoensis in the wild (China, Yunnan, Jinghong, Mountain Jinuo, the type locality of H. calcicola) A habitat B habit, with the arrows indicating stipule (a) and leaf epidermal spines (b) C the terminal inflorescence, with the arrows indicating cymose umbels (c) and fruit (d). Photographed by Ren-Bin Zhu.

 
 
  Part of: Wen J, Zhu J-W, Zhu R-B, Song C-F (2025) Taxonomic studies on the genus Hydrocotyle (Apiales) from China: The distribution and morphology of H. chiangdaoensis, with H. calcicola reduced to a synonym. PhytoKeys 255: 247-260. https://doi.org/10.3897/phytokeys.255.149589