(Ceanothus maritimus)
Ceanothus maritimus, with the common name-maritime ceanothus, is a species of-shrub-in the buckthorn family-Rhamnaceae. It is-endemic-to-San Luis Obispo County, California, where it is known from only a few occurrences in the vicinity of-Hearst Ranch. It shares the same range as the similarly rare-Ceanothus hearstiorum, growing on the coastal bluffs.