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.