Noun | 1. | ![]() rosid dicot genus - a genus of dicotyledonous plants Cornaceae, dogwood family, family Cornaceae - a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia cornel, dogwood, dogwood tree - a tree of shrub of the genus Cornus often having showy bracts resembling flowers |