⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-29204299, and has not been changed.
This name is a synonym of Penstemon breviculus (D.D. Keck) G.T. Nisbet & R.C. Jacks..
The record derives from Tropicos which reports it as a synonym (record 29204299) with original publication details: Bull. Torrey Bot. Club 65(4): 241-242 241 1938.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187563-2.