Penstemon triflorus var. integrifolius

Plant Information
Species: 
triflorus
Species Authority: 
A. Heller
Variety: 
integrifolius
Variety Authority: 
Pennell
Subgenus: 
Penstemon
Section: 
Cristati
Habit:
 
herbaceous perennial
Habit Woodiness:
 
none stated
Lifespan: 
none-stated
Distribution Range: 
Western Edwards Plateau, extending north into Colorado River valley, Texas.
Soil Type: 
Open calcareous soil.
First Bloom: 
April
Last Bloom: 
May
References: 

Pennell FW. 1920. Scrophulariaceae of Eastern Temperate North America. Philadelphia: Academy of Natural Sciences.