Penstemon watsonii

Plant Information
Species: 
watsonii
Species Authority: 
A. Gray
Subgenus: 
Penstemon
Section: 
Penstemon
Subsection: 
Proceri
Habit:
 
herbaceous perennial
Habit Woodiness:
 
herb
Lifespan: 
long-lived
Plant Height - Min: 
2.50dm
Plant Height - Max: 
6.00dm
Habitat Description: 
Gravelly or rocky places among sagebrush, pinyon-juniper, mountain mahogany, Gambel oak, and sometimes spruce, fir, or limber pine.
Distribution Range: 
Mountains of central and east Nevada (north Nye, central Lander, and Eureka counties to White Pine and Elko counties), southwest Idaho (south Owyhee and Twin Falls counties), through all but the north 1/4 and south 1/5 of Utah to southwest Wyoming and northwest Colorado.
Soil Type: 
Gravelly or rocky soils.
Elevation - Min: 
2000.00m
Elevation - Max: 
2800.00m
Other Notes: 

With its relatively loosely flowered inflorescence, P. watsonii fits into series Humiles, but through its closest relative, the compact-flowered P. laxus A. Nels., it is linked to series Proceri.

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.