Penstemon crandallii var. atratus

Plant Information

Species:

crandallii

Species Authority:

A. Nelson

Variety:

atratus

Variety Authority:

D.D. Keck

Subgenus:

Penstemon

Section:

Ericopsis

Subsection:

Caespitosi

Habit:

subshrub

Habit Woodiness:

suffrutescent

Lifespan:

long-lived

Plant Height - Min:

0.80dm

Plant Height - Max:

1.50dm

Habitat Description:

Sagebrush, scrub oak, and pinyon-juniper communities.

Distribution Range:

LaSal Mountains, Utah.

Soil Type:

Sandy and gravelly.

Elevation - Min:

1800.00m

Elevation - Max:

3000.00m

Common Name:

Crandall's Penstemon

Other Notes:

"Variety atratus is considered to be endemic to the LaSal Mountains. However, some collections from the Abajo Mountains show intergradations with varying amounts of the scabrid pubescence on the leaves, but the stems are characteristically ascending." - Holmgren (1984).

First Bloom:

Late May

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.