Penstemon triflorus, Heller's beardtongue or Heller's penstemon, is a penstemon notable for its showy, purple blossoms.

Heller's beardtongue

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Penstemon
Species:
P. triflorus
Binomial name
Penstemon triflorus

Distribution and habitat edit

 
Scarlet penstemon (Penstemon triflorus), endemic to the Edwards Plateau, Edwards County, Texas, USA (18 April 2015).

Heller's beardtongue grows on the Edwards Plateau of Texas.