⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-155815, with some changes.
This name is a synonym of Physostegia virginiana subsp. virginiana .
The record derives from WCSP which reports it as a synonym (record 155815) with original publication details: Hort. Brit. ed. 2: 406 1830.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:454198-1.