Nautonia is a species of plants in the Apocynaceae first described as a genus in 1844. It contains only one known species, Nautonia nummularia , native to Brazil.
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