Penstemon filiformis

Plant Information
Species: 
filiformis
Species Authority: 
(D.D. Keck) D.D. Keck
Subgenus: 
Saccanthera
Section: 
Saccanthera
Subsection: 
Heterophylli
Habit: 
subshrub
Habit Woodiness:
 
suffrutescent
Lifespan: 
long-lived
Plant Height - Min: 
2.00dm
Plant Height - Max: 
5.00dm
Habitat Description: 
Open rocky gulches and flats, Transition zone.
Distribution Range: 
Sacramento River Canyon, Shasta County, California. Type locality: between Lamoine and Sims.
Elevation - Min: 
285.00m
Common Name: 
Threadleaf Penstemon
Other Notes: 

Penstemon filiformis is a northern California endemic, which is quite rare. For more information, see the Calflora site: http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Penstemon+....

All photos by Andi Wolfe ©2015 - If you would like to use any of these photos, contact Andi Wolfe at Ohio State University.

First Bloom: 
June
Last Bloom: 
June
Chromosome Number: 
2n = 16
References: 

Abrams LR. 1874-1956. An Illustrated flora of the Pacific States: Washington, Oregon, and California. Stanford University: Stanford University Press.