familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Dasanthera
sectionPenstemon sect. Erianthera
speciesPenstemon davidsonii
Penstemon davidsonii var. davidsonii
Endemic
Revision as of 19:30, 5 November 2020 by imported>Volume Importer
Leaf blades spatulate to orbiculate, margins entire, sometimes serrulate, apex rounded to obtuse. Flowers: corolla lavender or bluish lavender, violet, or purple, 20–36 mm, moderately white-villous internally abaxially. 2n = 16.
Phenology: Flowering May.
Habitat: Rock outcrops, talus slopes.
Elevation: 900–3700 m.
Distribution
B.C., Calif., Nev., Oreg., Wash.
Discussion
The ranges of var. davidsonii and var. menziesii overlap throughout much of British Columbia and Washington. Variety davidsonii hybridizes with var. menziesii, and with Penstemon cardwellii, P. fruticosus, P. newberryi, and P. rupicola.
Selected References
None.
Lower Taxa
None.