[Beardtongues and Penstemons of Mt. Adams Country]

Davidson's Penstemon, Davidson's Beardtongue

Penstemon davidsonii var. davidsonii

Synonym: Penstemon menziesii ssp. davidsonii

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

Davidson's penstemon blooming at the base of the terminal moraine for the Adams Glacier, Mt. Adams, Mt. Adams Wilderness..........August 13, 2017.

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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.

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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.

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii) - Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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.

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii) - Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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.

Davidson's Penstemon, Davidson's Beardtongue: Penstemon davidsonii var. davidsonii (Synonym: Penstemon menziesii ssp. davidsonnii)

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