Riodocea is a genus of plants in the Rubiaceae. It includes only one known species, Riodocea pulcherrima, indigenous to the Espírito Santo region of 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