Penstemon rupicola

Penstemon rupicola
Penstemon rupicola in Mount Rainier National Park

Apparently Secure (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Penstemon
Species:
P. rupicola
Binomial name
Penstemon rupicola
(Piper) T.J.Howell

Penstemon rupicola is a species of penstemon known by the common names cliff beardtongue or rock penstemon.[1] It is native to the west coast of the United States from Washington to the Klamath Mountains of far northern California, where it grows in rocky mountainous habitat. It is a clumpy, mat-forming subshrub growing no more than 14 centimeters high. The thick, waxy, oppositely arranged leaves are round or oval and up to 2 centimeters long. The showy wide-mouthed tubular flowers emerging from the mat may be nearly 4 centimeters in length and are shades of light purple to bright pink.

It has gained the Royal Horticultural Society's Award of Garden Merit.[1]

References

  1. ^ a b "Penstemon rupicola". www.rhs.org. Royal Horticultural Society. Retrieved 24 January 2021.
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