⚠ Version 1 of The Plant List has been superseded.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 Vincetoxicum propinquum in version 1.1 of The Plant List.
This name is a synonym of Gonolobus erianthus .
The record derives from Tropicos which reports it as a synonym (record 2608049
) with original publication details: Univ. Calif. Publ. Bot. 10(8): 414 414 1924.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:265634-2
.