⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50338177, and has not been changed.
This name is a synonym of Penstemon multiflorus (Benth.) Chapm. ex Small.
The record derives from Tropicos which reports it as a synonym (record 50338177) with original publication details: Prodr. 10: 327 327 1846.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187712-2.