Penstemon triflorus var. integrifolius
Species:
triflorus
Variety:
integrifolius
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.