Penstemon rydbergii var. rydbergii

Plant Information
Species: 
rydbergii
Species Authority: 
A. Nelson
Variety: 
rydbergii
Subgenus: 
Penstemon
Section: 
Penstemon
Subsection: 
Proceri
Habit:
 
herbaceous perennial
Habit Woodiness:
 
herb
Lifespan: 
long-lived
Plant Height - Min: 
2.00dm
Plant Height - Max: 
4.00dm
Habitat Description: 
Moderately moist to dry slopes, meadows, and streambanks from the valleys to subalpine and alpine situations.
Distribution Range: 
Southeastern Washington, norhteastern Oregon (and on Steens Moutain), extreme northeastern corner of Nevada, Idaho to southwestern Montana, Wyoming (except southwestern corner), northeastern Utah (Uinta Mountains), Colorado, and north New Mexico.
Soil Type: 
Moist to dry soils.
Elevation - Min: 
1300.00m
Elevation - Max: 
3300.00m
Other Notes: 

Variety rydbergii as circumscribed here may include an undescribed variety from the Rocky Mountains of Colorado where the plants are consistently noticeably pubescent and calyx-segments have exceptionally broad, deeply erose to lacerate-scarious margins.

First Bloom: 
June
Last Bloom: 
August
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.