Gleasonia
Gleasonia is a genus of plants in the Rubiaceae. There are at the present time five accepted species, all native to South America.
- Gleasonia cururuensis Egler - Brazil
- Gleasonia duidana Standl. - Brazil, Venezuela, Guyana
- *Gleasonia duidana var. duidana - Brazil, Venezuela
- *Gleasonia duidana var. latifolia Steyerm. - Brazil, Venezuela, Guyana
- Gleasonia macrocalyx Ducke - Brazil
- Gleasonia prancei B.M.Boom - Brazil
- Gleasonia uaupensis Ducke - Brazil
