[Beardtongues and Penstemons; The Genus Penstemon in the Cascade Mountains of Oregon and Washington]

Sulfur Penstemon, Taper-leaved Penstemon

Penstemon attenuatus var. attenuatus

Synonym: Penstemon attenuatus ssp. attenuatus

Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus)

Taper-leaved penstemon blooming at the summit of Lookout Mountain, Badger Creek Wilderness..........July 4, 2013.

Frontal corolla views of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus) - Sideview of a corolla of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus)

Inflorescence of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus) - Basal leaves of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus) - Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus) - Inflorescence of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus)

Sideview of a corolla of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus)

Uppermost pair of stem leaves of Sulfur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus)

 

Examples light and dark flower-colored forms of taper-leaved penstemon from along the School Canyon Trail #468 along the north side of Ball Point and uphill to the west, Badger Creek Wilderness...........June 14, 2014.

Paul Slichter