Penstemon gracilis (Lilac Penstemon)

Family:
Scrophulariaceae (Figwort)
     
Penstemon gracilis is an uncommon Penstemon found on dry foothills. Flower color is lilac or pale purple. Leaves are opposite and have small teeth.

Vegetation zone:  Foothills
Time of bloom:  June - August
Origin:  Native
Eastern Colorado Wildflowers