Distribution: Occurring chiefly east of the Cascades crest in the southeastern area of Washington; southeastern Washington to adjacent Oregon, east to west-central Idaho.
Habitat: Cliff crevices and dry, rocky banks and slopes at low elevations.
Flowers: May-July
Origin: Native
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, wasps, hummingbirds
[none provided]
PNW Herbaria: Specimen records of Penstemon triphyllus var. triphyllus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Penstemon triphyllus var. triphyllus checklist entry
OregonFlora: Penstemon triphyllus var. triphyllus information
E-Flora BC: Penstemon triphyllus var. triphyllus atlas page
CalPhotos: Penstemon triphyllus var. triphyllus photos