Isodon is a group of flowering plants in the family Lamiaceae described as a genus in 1840. It is native to tropical and subtropical parts of the Old World, primarily Asia but two species are from Africa. Many of the species are endemic to China.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0