Penstemon speciosus

Plant Information

Species:

speciosus

Species Authority:

Douglas ex Lindl.

Subgenus:

Habroanthus

Section:

Glabri

Habit:

herbaceous perennial

Habit Woodiness:

herb

Lifespan:

short-lived

Plant Height - Min:

0.50dm

Plant Height - Max:

4.00dm

Habitat Description:

In open sagebrush, bitterbrush, juniper, pinyon, or mountain mahogany associations.

Distribution Range:

Central Washington to south California, remaining mostly east of the Cascade-Sierran crest, east to southwest Idaho (Owyhee and Jarbidge mountains), west Utah (Raft River and Deep Creek mountains) and as far south in Nevada as the Silver Peak, Toiyabe, Toquima, Monitor, White Pine, Egan, and Schell Creek ranges. Type locality: Spokane River.

Elevation - Min:

1200.00m

Elevation - Max:

3300.00m

Other Notes:

Penstemon speciosus is the most wide-ranging species both geographically and morphologically of the section Glabri. The presence or absence of pubescence on the herbage, in the inflorescence, and on the staminode, and short or long calyx-segments, occur randomly throughout the geographical range with little or no apparent geographical pattern.

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.