Not an accepted name (status: unknown). The accepted name is Penstemon barbatus var. trichander A.Gray, 1876.

Penstemon barbatus subsp. trichander (A.Gray) D.D.Keck, 1876 4% complete

No common name

Proc. Amer. Acad. Arts 11: 94 (1876)

There is no corrections for Penstemon barbatus subsp. trichander yet.