Penstemon laricifolius var. exilifolius

Plant Information
Species: 
laricifolius
Species Authority: 
Hook. & Arn.
Variety: 
exilifolius
Variety Authority: 
(A. Nelson) D.D. Keck
Subgenus: 
Penstemon
Section: 
Ericopsis
Subsection: 
Ericopsis
Habit:
 
shrub
Habit Woodiness:
 
suffrutescent
Lifespan: 
long-lived
Plant Height - Min: 
1.00dm
Plant Height - Max: 
2.00dm
Habitat Description: 
Wyoming, Albany Co.: Rock River, Laramie Hills, Laramie Plains, Millbrook, Cummins, Sandcreek Pass, Halleck Canyon, Red Buttes, Sheep Mts., mouth of Woods Creek. Colorado, Larimer Co.: Medicine Bow Mts., Cherokee Park.
Distribution Range: 
Wyoming, Albany County: Rock River, Laramie Hills, Laramie Plains, Millbrook, Cummins, Sandcreek Pass, Halleck Canyon, Red Buttes, Sheep Mountains, mouth of Woods Creek. Colorado, Larimer County: Medicine Bow Mountains, Cherokee Park.
Other Notes: 

Collections of subsp. typicus have been made with pink corollas, not only in the region where the subspecies approach each other, but in Big Horn County. On the other hand, material with purplish flowers has been collected near Laramie, definitely in the midst of subsp. exilifolius.

First Bloom: 
June
Last Bloom: 
July
References: 

Keck DD. 1937a. Studies in Penstemon no. 4: the section Ericopsis. Bulletin of the Torrey Club. 64:357-381.