Locality:
United States, California, Los Angeles County, Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake.
Elevation:
396 meters
(1299ft)
Habitat:
in chaparral-oak woodland; with Cercocarpus betuloides blancheae, Arctostaphlos oatalina, Eriodictyon tarskiae, Salvia mellifera, Adenostoma fasciculatum, Lepichinia fragrans