Gunnessia is a species of plants in the Apocynaceae first described as a genus in 1990. It contains only one known species, Gunnessia pepo endemic to the State of Queensland in Australia.
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