rosid dicot genus - a genus of dicotyledonous plants

Euphorbiaceae, family Euphorbiaceae, spurge family - a family of plants of order Geraniales

castor bean plant, castor-oil plant, palma christ, palma christi, Ricinus communis - large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics