[Penstemons and Beardtongues: The Genus Penstemon West of the Cascade Mountains of Oregon and Washington]

Tall Penstemon

Penstemon hesperius

Synonym: Penstemon rydbergii var. oreocharis

Inflorescence of Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?) - Inflorescence of Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?) - Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?)

Frontal view of the corolla of Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?) - Sideview of the calyx and corolla of Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?)

Additional close-up images of Penstemon hesperius.

Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?) - Inflorescence of Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?)

Penstemon hesperius as seen from Department of Natural Resources property in southeastern Clark County, Washington........May 21, 2016.

Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?) - Tall Penstemon: Penstemon hesperius (Synonym: Penstemon rydbergii var. oreocharis ?)

A close-up view of the inflorescence of Penstemon hesperius as seen at the webmaster's home in Gresham, Oregon.........May 31, 2021. This species is a native of wetlands in the Willamette Valley and around Vancouver, WA.
Paul Slichter