Penstemon davidsonii var. davidsonii

Plant Information
Species: 
davidsonii
Species Authority: 
Greene
Variety: 
davidsonii
Subgenus: 
Dasanthera
Habit:
 
subshrub
Habit Woodiness:
 
suffrutescent
Lifespan: 
long-lived
Plant Height - Max: 
1.00dm
Habitat Description: 
Cracks and crevices in rocks and talus - juniper woodlands to timberline.
Distribution Range: 
Cascade Range from southern British Columbia, Canada, to the Sierra Nevada (to Tulare County) and Warner Mountains of California, and the Sweetwater Mountains, Mono County, California Boreal Zones; Mount Rainier, Washington, south through the Cascades (also in Steen Mountains, Oregon) to Tulare County, California, and in adjacent Nevada. (Holmgren 1984)
Soil Type: 
Dry, rocky outcrops - primarily volcanic.
Elevation - Min: 
2000.00m
Elevation - Max: 
3600.00m
Common Name: 
Davidson's Penstemon, Creeping Penstemon
Other Notes: 

Corolla is generally smaller than var. praeteritus. 

Photos by Andi Wolfe ©2011 - If you would like to use any of these photos, contact Andi Wolfe at Ohio State University.

First Bloom: 
June
Last Bloom: 
August
Chromosome Number: 
2n = 16
References: 
Holmgren NH. 1984. Penstemon and Keckiella. In Intermountain Flora, vol. 4. Ed. Arthur Cronquist et al. Bronx: The New York Botanical Garden.