[laspilitas.com] Description, Range: Desert Penstemon, Penstemon pseudospectabilis is a two or three foot perennial with green-red leaves and 1-2" rose purple flowers on a 3' spike. Native to mountains of Southern California deserts usually below 4000'. (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: 03/30/2025).
