Penstemon papillatus is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Limited Range, Habitat: The plant is endemic to California, where it is known only from the eastern Sierra Nevada and slopes to the east. It grows in rocky woodland and forest habitat types. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 04/10/2025).
one or more occurrences