[Penstemons West of the Cascade Mountains of Oregon and Washington]

Siskiyou Penstemon, Tongue-leaved Penstemon

Penstemon anguineus

Synonym: Penstemon rattanii var. minor

Rattan's Penstemon: Penstemon rattanii var. rattanii

This photo shows the inflorescence of Siskiyou penstemon as seen along Coyote Creek Road in the Umpqua National Forest........June 25, 2005. The inflorescence consists of 2-7 verticillasters.

Rattan's Penstemon: Penstemon rattanii var. rattanii

This photo shows a close-up of the stamens of Siskiyou penstemon as seen along Coyote Creek Road in the Umpqua National Forest........June 25, 2005.

Rattan's Penstemon: Penstemon rattanii var. rattanii

This photo shows a view down onto the top of the inflorescence of Rattan's penstemon as seen along Coyote Creek Road in the Umpqua National Forest.........June 25, 2005. Note the numerous gland-tipped hairs on the sepals and outer corolla and the corolla tube which abruptly expands outwards at a point just beyond the sepals.

Rattan's Penstemon: Penstemon rattanii var. rattanii

This photo shows the paired upper stem leaves of Siskiyou penstemon as seen along Coyote Creek Road in the Umpqua National Forest........June 25, 2005. Note that the upper stem leaves are clasping and sharply toothed.

Close-up of the flowers of Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor) - Close-up of the inflorescence of Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor) - Close-up sideview of the flower of Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor)

Close-up of a stem leaf of Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor)

Close-up images of Siskiyou penstemon as seen at the trailhead for Babyfoot Lake in the Siskiyous of southwestern Oregon............July 15, 2012.

Frontal view of the corolla of Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor) - Siskiyou Penstemon, Tongue-leaved Penstemon: Penstemon anguineus (Synonym: Penstemon rattanii var. minor)

Siskiyou penstemon as seen along the trail between Onion Camp and Whetstone Butte, Siskiyou National Forest..........July 15, 2012.

Paul Slichter