Penstemon whippleanus
Dusky or Whipple's Penstemon
Scrophulariaceae or Snapdragon Family
11,000'-12,000' - Summit County, Colorado
Photos by Jane Hendrix

The usual color of Dusky Penstemon
is dark purple; however, you
may also encounter white,
red-violet, bicolored lilac & white
and even true blue. The blue
Dusky Penstemon pictured here was growing
in the Medicine Bow Mountains in
Albany County, Wyoming at 10,800'.