Shrub of the rose family is a term used to describe three different plants: SPIREA (6 letters), SLOE (4 letters), and Spea (4 letters). SPIREA is a genus of flowering plants in the rose family, Rosaceae, that includes about 80 to 100 species of deciduous shrubs. SLOE is a species of Prunus, a genus of trees and shrubs in the rose family, Rosaceae. It is native to Europe, western Asia, and locally in northwest Africa. Spea is a genus of flowering plants in the rose family, Rosaceae, that includes two species of annual herbs. All three of these plants are shrubs of the rose family and are commonly used in landscaping and gardening.