Penstemon ophianthus

Plant Information
Species: 
ophianthus
Species Authority: 
Pennell
Subgenus: 
Penstemon
Section: 
Cristati
Habit:
 
herbaceous perennial
Habit Woodiness:
 
herb
Lifespan: 
long-lived
Plant Height - Min: 
1.30dm
Plant Height - Max: 
2.70dm
Habitat Description: 
In sagebrush, pinyon-juniper, ponderosa pine, and Gambel oak communities.
Distribution Range: 
Northwest New Mexico, southwest Colorado, southeast and south-central Utah (Utah Plateaus), and northern Arizona.
Soil Type: 
Sandy, gravelly, or sometimes clay soils.
Elevation - Min: 
1500.00m
Elevation - Max: 
2250.00m
Other Notes: 

Penstemon ophianthus and P. breviculus were considered by Keck (Bull. Torrey Bot. Club 65: 239-242. 1938) as subspecies of P. jamesii. Although P. ophianthus and P. jamesii are very closely related, regard them as separate species because of the difference in corolla length without any overlap and the distinct geographical ranges. The three species Keck placed together can be separated by the following characters. Varieties jamesii and breviculus are included in Holmgren, but not in Nold (1999).

First Bloom: 
June
Last Bloom: 
June
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.