rosid dicot genus - a genus of dicotyledonous plants

family Rosaceae, Rosaceae, rose family - a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens

fire thorn, firethorn, pyracanth, Pyracantha - any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries