[Wikipedia] Range, Habitat: Keckiella cordifolia (formerly Penstemon cordifolius) is a species of flowering shrub in the plantain family known by the common name heartleaf keckiella. It is native to the coast and coastal mountains of southern California and northern Baja California, and it is a resident of chaparral and coastal woodland plant communities. (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. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 02/23/2025).