Noun | 1. | genus Deutzia - genus of ornamental mostly deciduous shrubs native to Asia and Central America; widespread in cultivation; sometimes placed in family Saxifragaceae rosid dicot genus - a genus of dicotyledonous plants family Hydrangeaceae, hydrangea family, Hydrangeaceae - sometimes included in the family Saxifragaceae deutzia - any of various shrubs of the genus Deutzia having usually toothed opposite leaves and shredding bark and white or pink flowers in loose terminal clusters |