Penstemon davidsonii var. menziesii
Vasc. Pl. Pacif. N.W. 4: 379. 1959.
Leaf-blades spatulate to elliptic, margins ± serrulate, apex rounded to obtuse or acute. Flowers: corolla violet, 20–35 mm, moderately white-villous internally abaxially. 2n = 16.
Phenology: Flowering Jun–Aug.
Habitat: Rock outcrops, ledges, talus slopes.
Elevation: 30–2000 m.
B.C., Oreg., Wash.
The ranges of var. davidsonii and var. menziesii overlap throughout much of British Columbia and Washington.
"/3-3/4timescorollathroat" is not declared as a valid unit of measurement for this property.