Penstemon scariosus var. scariosus

Plant Information
Species: 
scariosus
Species Authority: 
Pennell
Variety: 
scariosus
Subgenus: 
Habroanthus
Section: 
Glabri
Habit:
 
herbaceous perennial
Habit Woodiness:
 
herb
Lifespan: 
long-lived
Plant Height - Min: 
1.50dm
Plant Height - Max: 
5.00dm
Habitat Description: 
Desert shrubs, with sagebrush, shadscale and rabbitbrush, to pinyon and juniper woodlands, and ponderosa pine, aspen, spruce, and fir woods.
Distribution Range: 
Wasatch, Fish Lake, and northern Aquarius plateaus.
Elevation - Min: 
1500.00m
Elevation - Max: 
3000.00m
Other Notes: 

Although P. scariosus exhibits a complex range of variability, the specimens more or less sort into the three weakly recognizable varieties. Each is geographically distinct. This is a character found in closely related and sympatric P. subglaber, which differs by its taller growth habit, less scarious calyx-margins, and anthers bearing shorter pubescence. The anther-cells of P. subglaber spread 180 degrees apart from each other, whereas they spread apart at about a 90 degree angle in P. scariosus.

First Bloom: 
Late May
Last Bloom: 
July
References: 

Holmgren NH. 1984. Penstemon and Keckiella. In Intermountain Flora, vol. 4. Ed. Arthur Cronquist et al. Bronx: The New York Botanical Garden.