[
Rose-Mallows and Hibiscus: The Genus
Hibiscus
in the Mountains and Deserts of the American Southwest
]
Paleface, Rock Hibiscus
Hibiscus denudatus
Synonym:
Hibiscus denudatus
var.
involucellatus
Rock hibiscus blooming on rocky slopes above the wash at Harper Flat, Anza-Borrego Desert State Park, CA......March 24, 2005.
Paul Slichter
