About Penstemon roezlii Regel
Nomenclature
Penstemon roezlii Regel, a species of penstemon, is commonly known as Roezl's penstemon.
Distribution
It is native to Oregon, western Nevada, and adjacent areas of northern California—including the Klamath Mountains and Sierra Nevada—where it grows in sagebrush and forest habitats.
Growth Form
This is a hairy, erect perennial herb that grows from a woody, branching base, reaching a maximum height of 55 centimeters.
Leaf Morphology
Its leaves are up to 7 centimeters long, shaped from linear to widely lance-shaped, and often folded along their length.
Inflorescence & Flower Color
Its glandular inflorescence produces wide-mouthed tubular flowers up to 2.2 centimeters long, which occur in blue-purple shades.
Flower Hair Characteristics
The flowers are mostly hairless, apart from thin glandular hairs on their outer surfaces.
