Penstemon triflorus, Heller's Beardtongue
Scientific Name: Penstemon triflorus
Common Name: Heller's Beardtongue
Also Called: Heller's Beardtongue, Heller's Penstemon, Hill Country Beardtongue, Hill Country Penstemon, Scarlet Beardtongue, Scarlet Penstemon
Family: Scrophulariaceae, Figwort or Snapdragon Family - Moving to Plantaginaceae
Size: Up to 1½ feet or more.
Growth Form: Forb/herb; plants small bushy; herbage with a light-colored short haired pubescence.
Leaves: Green, dark glossy green; leaves paired, opposite and sessile.
Flower Color: Pink, deep pink, deep rose or reddish; flowers in pairs; corolla bilabiate, light and dark streaking inside flora tubes.
Flowering Season: April to May.
Elevation: 500 to 3,000 feet.
Habitat Preferences: Limestone hills, open areas.
Recorded Range: Penstemon triflorus is rare in the United States where it is endemic to Edwards Plateau, Texas.
North America & US County Distribution Map for Penstemon triflorus.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.
In the Southwestern United States, Arizona there are 43 species of Penstemon, in California there are 55 species, Nevada has 50 species, New Mexico has 47 species, Texas has 24 species, Utah has 73 species. All data is approximate and subject to taxonomic changes.
There is 1 subsp. in Penstemon triflorus;
Penstemon triflorus subsp. integrifolius , Heller's Beardtongue (TX).
Comments: Penstemon triflorus has beautiful deep pink flowers and a tubular floral tube making the plant attractive to hummingbirds. Although relatively rare in the United States, Penstemon triflorus is available commercially for landscape purposes. The photos above from a landscape specimen in Arizona.