⚠ Version 1 of The Plant List has been superseded.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 Convolvulus occidentalis in version 1.1 of The Plant List.

Convolvulus occidentalis var. purpuratus (Greene) J.T. Howell is a synonym of Calystegia purpurata (Greene) Brummitt

This name is a synonym of Calystegia purpurata (Greene) Brummitt.

The record derives from Tropicos which reports it as a synonym (record 8501505) with original publication details: Leafl. W. Bot. 5(3): 45 45 1947.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:64615-2.