Penstemon deustus var. variabilis
Species:
deustus
Variety:
variabilis
Subgenus:
Penstemon
Section:
Penstemon
Subsection:
Deustii
Habit:
herbaceous perennial
Habit Woodiness:
suffrutescent
Lifespan:
long-lived
Plant Height - Min:
1.00dm
Plant Height - Max:
4.00dm
Habitat Description:
Open rocky slopes, Arid Transition Zone.
Distribution Range:
Klickitat County, Washington, to Grant and Deschutes Counties, Oregon.
Elevation - Min:
800.00m
Elevation - Max:
2500.00m
Common Name:
Hotrock Penstemon, Scabland Penstemon
Other Notes:
There are four varieties of Penstemon deustus: deustus, pedicellatus, suffrutescens, and variabilis. Variety suffrutescens is found only in the Siskiyous of southern Oregon, and variety variabilis occurs in Oregon from the north central region to the Columbia River. Variety pedicellatus ranges from southeastern Oregon and adjacent Idaho southwards through western Nevada and adjacent California. Variety deustus is the most widespread in distribution, ocurring from north-central Washington, through southern Idaho and adjacent nw Wyoming and sw Montana, continuing south and east through northern Utah, Nevada, and California.
First Bloom:
June
Last Bloom:
July
Chromosome Number:
2n = 32
References:
Holmgren NH. 1984. Penstemon and Keckiella. In Intermountain Flora, vol. 4. Ed. Arthur Cronquist et al. Bronx: The New York Botanical Garden.