Aphanocarpus is a monospecific genus of flowering plants in the Rubiaceae family. It is placed in the tribe Psychotrieae. It holds only one species, viz. Aphanocarpus steyermarkii, which is endemic to Venezuela.
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