Davidson's Penstemon, Davidson's Beardtongue
Penstemon davidsonii var. davidsonii
Synonym: Penstemon menziesii ssp. davidsonii
Davidson's penstemon as seen amongst cinders on Little Mt. Adams..........July
17, 2006 Note the numerous glands on the calyx and the gland-free outer surface
of the corolla.
Davidson's penstemon blooming at the base of the terminal moraine for the Adams Glacier, Mt. Adams, Mt. Adams Wilderness..........August 13, 2017.
The photo above shows a close-up of the flower
of Davidson's penstemon as seen on the climber's trail just north of (and about
the same elevation as) High Camp on the north side of Mt. Adams..........August
2, 2003.
Davidson's penstemon as seen amongst cinders on Little Mt. Adams..........July
17, 2006 Note the numerous glands on the calyx and the gland-free outer surface
of the corolla.
The photo above shows an attractive mat of Davidson's penstemon
growing in the lee of a large rock as seen along the Highline Trail #114 at
about 6800' on the northern slopes of Mt. Adams.........July 10, 2005.
The photo above shows Thompson's paintbrush as seen along the
Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams.........July
10, 2005. This variety of Davidson's penstemon has leaf blades with rounded
tips and non-toothed leaf edges.
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Davidson's penstemon still blooming between the elevations of 6800-7200' at the east rim of upper Killen Creek basin, Mt. Adams Wilderness.........August 11, 2016.
Davidson's penstemon still blooming below the terminal moraines at the base of the Adams Glacier in an area uphill to the south of High Camp............August 19, 2013.
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Davidson's penstemon still in bloom on the terminal moraine of the Adams Glacier above the headwaters of the Lewis River, Mt. Adams Wilderness......July 19, 2018.
The photo above shows Davidson's penstemon as seen high along
the climber's trail on the moraine above the head of Hell Roaring Meadowstheat
the southeast side of Mt. Adams...........August 4, 2001.
Paul Slichter