Penstemon deustus var. deustus

Plant Information

Species:

deustus

Species Authority:

Douglas ex Lindl.

Variety:

deustus

Subgenus:

Penstemon

Section:

Penstemon

Subsection:

Deusti

Habit:

herbaceous perennial

Habit Woodiness:

suffrutescent

Lifespan:

long-lived

Plant Height - Min:

1.00dm

Plant Height - Max:

4.00dm

Habitat Description:

Dry, rocky places, usually in basaltic rock, or sometimes limestone, in sagebrush, juniper, and pinyon-juniper communities.

Distribution Range:

Columbia Basin, eastern Washington, to western Glenn County and central Sierra Nevada, California, east to Wyoming.

Soil Type:

Dry rocky ground, mainly Arid Transition Zone.

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. The stamen filaments and staminodes are unusual in being glandular puberulent.

First Bloom:

June

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.