Penstemon perfoliatus

Plant Information
Species: 
perfoliatus
Species Authority: 
A. Brongn
Subgenus: 
Penstemon
Section: 
Fasciculus
Subsection: 
Perfoliati
Habit:
 
robust herb
Habit Woodiness:
 
suffrutescent
Lifespan: 
long-lived
Plant Height - Min: 
10.00dm
Plant Height - Max: 
11.00dm
Habitat Description: 
In zones with pine-oak forest and oak forest.
Distribution Range: 
Cerro San Felipe, Oaxaca, Mexico. It is restricted to the Mexican state of Oaxaca.
Elevation - Min: 
3000.00m
Elevation - Max: 
3200.00m
Other Notes: 

Two sheets of a collection from the type locality, indicate in their pubescence, serrate leaves, leaf length-width ratios, and other characteristics, that they are probably hybrid derivatives or introgressants from the cross P. gentianoides X perfoliatus

First Bloom: 
June
Last Bloom: 
September
References: 

Straw RM. 1963. The penstemons of Mexico III. Two subsections in the section Fasciculus. Brittonia. 15:49-64.