Penstemon gracilis var. wisconsinensis

Plant Information
Species: 
gracilis
Species Authority: 
Nutt.
Variety: 
wisconsinensis
Variety Authority: 
(Pennell) Fassett
Subgenus: 
Penstemon
Section: 
Penstemon
Subsection: 
Penstemon
Habit:
 
herbaceous perennial
Habit Woodiness:
 
herb
Lifespan: 
long-lived
Plant Height - Min: 
3.00dm
Plant Height - Max: 
6.00dm
Habitat Description: 
Sandy prairie or open woodland, Wisconsin.
Distribution Range: 
Occurs nearly wholly in the Driftless Area from the Wisconsin to the Chippewa river-valleys; apparently passing slightly out of the area into Waushara County.
Other Notes: 

This species may be an old survival in the unglaciated territory that it now occupies, but it seems as likely that it has developed from P. gracilis since the glacial recession, and perhaps it had better be considered as a subspecies of it.

First Bloom: 
Late May
Last Bloom: 
Early August
References: 

Pennell FW. 1920. Scrophulariaceae of Eastern Temperate North America. Philadelphia: Academy of Natural Sciences.