"Ceanothus orcuttii" . "Ceanothus oliganthus is a species of shrub in the buckthorn family Rhamnaceae known by the common name Hairy ceanothus, or Hairy-leaf Ceanothus.The variety of this species known as jimbrush (var. sorediatus) is sometimes treated as a separate species."@en . . "Ceanothus hirsutus" . . . . . "Ceanothus divaricatus" . . . . . .