Noun | 1. | ![]() 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 apple tree - any tree of the genus Malus especially those bearing firm rounded edible fruits Malus pumila, orchard apple tree, apple - native Eurasian tree widely cultivated in many varieties for its firm rounded edible fruits cherry apple, cherry crab, Malus baccata, Siberian crab, Siberian crab apple - Asian wild crab apple cultivated in many varieties for it small acid usually red fruit used for preserving Malus sylvestris, wild crab - wild crab apple native to Europe; a chief ancestor of cultivated apples American crab apple, garland crab, Malus coronaria - medium-sized tree of the eastern United States having pink blossoms and small yellow fruit |