⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Matelea hintoniana in version 1.1 of The Plant List.
This name is a synonym of Polystemma guatemalense .
The record derives from Tropicos which reports it as a synonym (record 2607857
) with original publication details: Ann. Missouri Bot. Gard. 28: 280-281 280 1941.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:154544-2
.