Maximum Likelihood tree of the new species and related species, Numbers beside branch nodes are bootstraps. Outgroups: Rinorea bengalensis. Viola huizhouensis clade is marked in green and V. guangzhouensis clade is marked in red.

  Part of: Huang Y-S, Kang N, Zhong X-J, Liao W-B, Fan Q (2021) A new species of Viola (Violaceae) from Guangdong Province, China. PhytoKeys 176: 67-76.