Calflora
Taxon  Report   6219    
Penstemon sudans  M. E. Jones
Susanville beardtongue,  Volcanic beardtongue
Penstemon sudans
© 2008 Sierra Pacific Industries
Photos from
CalPhotos / Calflora
Penstemon sudans
© 2002 Dean Wm. Taylor
Penstemon sudans
© 2008 Dean Wm. Taylor, Ph.D.
Penstemon sudans, a dicot, is a shrub (stem succulent) that is native to California, is also found outside of California, but is confined to western North America.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and 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 sudans
© 2008 Sierra Pacific Industries
Family: PLANTAGINACEAE  
Genus: Penstemon
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + PLANTS: Penstemon deustus ssp. sudans
More information about  Penstemon sudans
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 (PESU10)

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 14, 2018).

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