Hot-rock Penstemon, Scabland Penstemon, Variable Hotrock Penstemon
Penstemon deustus var. variabilis
Synonyms: Penstemon deustus ssp. variabilis, Penstemon variabilis
Hot-rock penstemon as seen along Ramsey Canyon Road several miles south of Condon, OR.........June 30, 2010.
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Additional close-up views of hot-rock penstemon as seen along Ramsey Canyon Road several miles south of Condon, OR.........June 30, 2010. Note the largely entire margins to the stem leaves.
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Hotrock penstemon as seen on basalt outcrops along the first half mile of the Steins Pillar Trail #837, Ochoco National Forest........June 26, 2017.
Paul Slichter