Leptogonum

{{Short description|Genus of flowering plants}}

{{Speciesbox

| image = Leptogonum domingense.pdf

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Timyan, J. |year=2022 |title=Leptogonum domingense |volume=2022 |page=e.T188900042A188914118 |doi=10.2305/IUCN.UK.2022-2.RLTS.T188900042A188914118.en |access-date=16 May 2023}}

| taxon = Leptogonum domingense

| authority = Benth. (1880)

| parent_authority = Benth. (1880)

}}

Leptogonum is a monotypic genus of plants in the family Polygonaceae.{{Cite web |title=Leptogonum Benth. {{!}} Plants of the World Online {{!}} Kew Science |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:32523-1 |access-date=2022-11-01 |website=Plants of the World Online |language=en}} It has a single species, Leptogonum domingense, a shrub or tree endemic to the island of Hispaniola.{{Cite web |title=Leptogonum domingense Benth. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30259680-2 |access-date=16 May 2023 |website=Plants of the World Online |language=en}}

There are two accepted varieties:

• Leptogonum domingense var. domingense
• Leptogonum domingense var. molle {{small|(Urb.) Brandbyge}}