[Beardtongues and Penstemons: The Genus Penstemon East of the Cascade Mountains of Oregon and Washington]

Opposite-leaved Gairdner's Beardtongue, Opposite-leaved Gairdner's Penstemon

Penstemon gairdneri var. oreganus

Synonym: Penstemon gairdneri ssp. oreganus

Inflorescence of Opposite-leaved Gairdner's Beardtongue, Opposite-leaved Gairdner's Penstemon: Penstemon gairdneri var. oreganus (Synonym: Penstemon gairdneri ssp. oreganus) - Opposite leaves of Opposite-leaved Gairdner's Beardtongue, Opposite-leaved Gairdner's Penstemon: Penstemon gairdneri var. oreganus (Synonym: Penstemon gairdneri ssp. oreganus) - Opposite-leaved Gairdner's Beardtongue, Opposite-leaved Gairdner's Penstemon: Penstemon gairdneri var. oreganus (Synonym: Penstemon gairdneri ssp. oreganus)

Opposite-leaved Gairdner's beardtongue in bloom on slopes above Forest Road #39 about 5 miles south of the junction with Forest Road #3965, Hells Canyon National Recreation Area........June 11, 2018.
Paul Slichter