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

Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon

Penstemon deustus var. deustus

Synonym: Penstemon deustus ssp. deustus

Flowers of Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus) - Inflorescence of Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus) - Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus)

What may be hotrock penstemon (var. deustus) blooming on east-facing slopes of Sourdough Ridge, Asotin Wildlife Refuge, Asotin County, WA.......June 3, 2017. Var. variabilis might also be in the area, so an analysis of the lower leaves would be helpful.

Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus) - Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus)

Hotrock penstemon (var. deustus) as seen on a scree slope atop Castle Rock, Willamette National Forest........June 24, 2018.
Paul Slichter