Polysphaeria macrantha

{{Short description|Species of plant}}

{{Speciesbox

|status = VU

|status_system = IUCN2.3

|status_ref = {{cite iucn |author = Lovett, J. |author2 = Clarke, G.P. |date = 1998 |title = Polysphaeria macrantha |volume = 1998 |page = e.T34866A9889277 |doi = 10.2305/IUCN.UK.1998.RLTS.T34866A9889277.en |access-date = 17 November 2021}}

|taxon = Polysphaeria macrantha

|authority = Brenan

}}

Polysphaeria macrantha is a species of plant in the family Rubiaceae. It is endemic to Tanzania.