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Penstemon eatonii var. eatonii

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Plant Information
Species: 
eatonii
Species Authority: 
A. Gray
Variety: 
eatonii
Subgenus: 
Habroanthus
Section: 
Elmigera
Habit Woodiness: herb
Lifespan: 
short-lived
Plant Height - Min: 
4.00dm
Plant Height - Max: 
10.00dm
Habitat Description: 
Dry slopes and flats in sagebrush, pinyon-juniper, mountain mahogany, and ponderosa pine communities.
Distribution Range: 
Nye and White Pine counties, Nevada, and Juab, Utah, and Carbon counties, Utah, south to the Mojave Desert mountains of south Inyo County and east San Bernardino County, California and south Nevada, and the plateaus and mesa of north Arizona and southwest Colorado. Occasionally in canyons, Upper Sonoran Zone. Type locality: Provo Canyon, Wasatch Mountains, Utah.
Soil Type: 
Gravelly or rocky.
Elevation - Min: 
1500.00m
Elevation - Max: 
2800.00m
Common Name: 
Firecracker Penstemon
Other Notes: 

Three varieties of Penstemon eatonii have been described (eatonii, exsertus, undosus). This is a popular plant for highway plantings in Colorado, Idaho, and Wyoming, which are outside the native range. Varieties exsertus and undosus have retrorsely hairy stems. The latter two can be distinguished based on the inserted vs. exserted stamens for var. undosus vs. exsertus, respectively.

Photos by Andi Wolfe ©2017 - If you would like to use any of these photos, contact Andi Wolfe at Ohio State University

(https://eeob.osu.edu/people/wolfe.205)

First Bloom: March
Last Bloom: July
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.