Zonanthus

{{Short description|Genus of flowering plants}}

{{Speciesbox

|image =

|image_caption =

|genus = Zonanthus

|parent_authority = Griseb.

|species = cubensis

|authority = Griseb.

}}

Zonanthus is a genus of flowering plants belonging to the family Gentianaceae.{{cite web |title=Zonanthus Griseb. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:16774-1 |website=Plants of the World Online |access-date=12 March 2021 |language=en}} It includes a single species, Zonanthus cubensis, a shrub or small tree endemic to Cuba.{{cite web |title=Zonanthus cubensis Griseb. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:371506-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=18 April 2025}}