Penstemon ambiguus var. ambiguus

Plant Information

Species:

ambiguus

Species Authority:

Torr.

Variety:

ambiguus

Subgenus:

Penstemon

Section:

Ambiguui

Habit:

shrub

Habit Woodiness:

suffrutescent

Lifespan:

long-lived

Plant Height - Min:

3.00dm

Plant Height - Max:

5.00dm

Habitat Description:

Sandy slopes and mesas, in creosote bush, blackbrush, Artemisia filifolia, and juniper communities.

Distribution Range:

South Nevada (Charleston Mountains), across south Utah (as far north as the San Rafael swell, Emery County) and north Arizona, east to south Colorado, Kansas, west Oklahoma, west Texas, and north Chihuahua, Mexico.

Soil Type:

Sandy and creosote soils.

Elevation - Min:

1000.00m

Elevation - Max:

1600.00m

Other Notes:

The puberulent typical variety intergrades with the glabrous variety in New Mexico and southwestern Texas and replaces it to the east.

First Bloom:

Late June

Last Bloom:

September

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.