Penstemon photo gallery: A-F

Penstemon gallery navigation:
Introduction
Penstemons A-F (this page)
Penstemons G-L
Penstemons M-R
Penstemon S-Z

Penstemon albomarginatus
Penstemon albomarginatus. This is also called white-margined Penstemon because of the white stripe along the edge of the leaf. This plant is adapted to deep sand in the Mohave desert.

Penstemon albomarginatus
Penstemon albomarginatus – habitat. This was growing in a sand dune in Nevada.

 

Habitat = sand dune blowouts.

Habitat = sand dune blowouts.

 

Penstemon ammophilus - This is the only species of Penstemon I know of that has purple hairs on the staminode. It looks like runway landing lights....

Penstemon ammophilus – This is the only species of Penstemon I know of that has purple hairs on the staminode. It looks like runway landing lights….

Penstemon anguineus
Penstemon anguineus

Penstemon attenuatus var. militaris - inflorescence

Penstemon attenuatus var. militaris – inflorescence

The corolla opening is nearly blocked by hairs on the staminode and palate. I wonder if this is a signal mechanism to let a bee know the flower hasn't been visited.

Penstemon atwoodii

Not the friendliest habitat for taking photos - it's hard to kneel on gravel...

Penstemon atwoodii

Penstemon bracteatus

Penstemon bracteatus

Red Canyon Penstemon (Penstemon bracteatus)

Red Canyon Penstemon (Penstemon bracteatus)

Penstemon campanulatus (Mexico)

Penstemon campanulatus (Mexico)

 

Penstemon crandallii var. atratus (Photo by Andi Wolfe ©2005)

Penstemon crandallii var. atratus (Photo by Andi Wolfe ©2005)

Penstemon cyathophorus

Penstemon cyathophorus

Penstemon davidsonii; Mount Ashland, Oregon.

Penstemon davidsonii; Mount Ashland, Oregon.

Penstemon davidsonii at the summit of Mount Ashland, Oregon.

Penstemon davidsonii at the summit of Mount Ashland, Oregon.

Penstemon debilis - one of the Federally listed species of Penstemon. This grows only on oil shale talus in a very small region in Colorado.

Penstemon debilis – one of the Federally listed species of Penstemon. This grows only on oil shale talus in a very small region in Colorado.

Penstemon deustus (aka "Hot Rock Penstemon")

Penstemon deustus (aka “Hot Rock Penstemon”)

Penstemon digitalis: OPGC 2110; in cultivation at Waterman Farm, Ohio State University

Penstemon digitalis: OPGC 2110; in cultivation at Waterman Farm, Ohio State University

Penstemon digitalis and first light

Penstemon digitalis

Hummingbird-pollinated penstemons are red and have long, narrow corollas.

Penstemon eatonii

Penstemon eriantherus

Penstemon eriantherus – this is a double flower mutant!

Penstemon fasciculatus. A hummingbird pollinated species from Mexico.

Penstemon fasciculatus. A hummingbird pollinated species from Mexico.

Penstemon fasciculatus (Mexico)

Penstemon fasciculatus (Mexico)

Penstemon fasciculatus (Mexico)

Penstemon fasciculatus (Mexico)

Penstemon flavescens

Penstemon flavescens

Penstemon flavescens

Penstemon fruticosus - native to the mountains of the Pacific Northwest. This individual was seen in Idaho.

Penstemon fruticosus – native to the mountains of the Pacific Northwest. This individual was seen in Idaho.

Penstemon gallery navigation:
Introduction
Penstemons A-F (this page)
Penstemons G-L
Penstemons M-R
Penstemon S-Z

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