Calflora
Taxon  Report   6220    
Penstemon thompsoniae  (A. Gray) Rydb.
Thompson's beardtongue
Penstemon thompsoniae
© 2006 Trent M. Draper
Photos from
CalPhotos / Calflora
Penstemon thompsoniae
© 2014 John Doyen
Penstemon thompsoniae
© 2005 James M. Andre
Penstemon thompsoniae, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
CNPS Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Penstemon thompsoniae
© 2013 James M. Andre
Family: PLANTAGINACEAE  
Genus: Penstemon
Communities: Pinyon-Juniper Woodland
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN: Penstemon thompsoniae ssp. thompsoniae
More information about  Penstemon thompsoniae
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (PETH2)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 16, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.