Penstemon serrulatus

Penstemon serrulatus is a species of penstemon known by the common names Cascade penstemon, coast penstemon, or serrulate penstemon.^[1] It is native to the Pacific Northwest of North America, from Oregon to Alaska.^[2]

Penstemon serrulatus
Conservation status
Secure  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Plantaginaceae
Genus:	Penstemon
Species:	P. serrulatus
Binomial name
Penstemon serrulatus Menzies ex Sm.

Description

Penstemon serrulatus has multiple herbaceous stems up to 70 centimetres (28 in) tall growing from a perennial woody base. The leaves are lanceolate to ovate-oblong with sharply serrated edges. The inflorescence consists of clusters of tubular blue to purple flowers.^[3]

Penstemon serrulatus is one of the few penstemons to occur at low elevations along the Pacific Northwest coast and in the Puget Sound lowlands.^[1]