Ceanothus L., 1753 Dataset International Plant Names Index Rank GENUS Published in Sp. Pl. 1: 195. 1753 [1 May 1753] Classification kingdom Plantae family Rhamnaceae genus Ceanothus Name Homonyms Ceanothus L., 1753 Ceanothus L., 1754 Ceanothus S.Watson, 1875