Kingdom: Plantae

• Rose bushes are scientifically classified as members of the Plantae Kingdom. The Plantae Kingdom includes more than a quarter million species of flowering plants, ferns, mosses and conifers, including rose bushes. Characteristics of members of the Plantae Kingdom include the presence of chlorophyll, which give plants their green color, cell walls made out of cellulose and a stationary position, all of which are exhibited by rose bushes of every variety.
  
  

Division and Class

• As rose bushes are further taxonomically defined, they are placed in the Division Magnoliophyta and the Class Magnoliopsida. The Division Magnoliophyta contains rose bushes and all other flowering plants, also called angiosperms, that have stems, leaves, roots and enclosed seeds. Rose bushes and other members of the Class Magnoliopsida, the largest class of flowering plants, are identified as seedlings that sprout with two seed leaves.
  
  

Order, Family and Subfamily

• Rose bushes are placed in the taxonomic Order Rosales, which includes some of the world's best-known ornamental and fruiting plants, such as raspberries, cherries, hawthorns, elms, figs and plums. Its Family, Rosaceae, tends to feature plants with similar, actinomorphic flowers, inspiring the phrase "a rose is a rose is a rose," and they belong to the Subfamily Rosoideae.
  
  

Genus

• Rose bushes are shrubs of the Genus Rosa that produce the familiar varieties of velvety flowers commonly called roses. The Genus Rosa is comprised of about 150 varieties of climbing, scrambling, trailing and erect shrub-like plants that produce both thorns and flowers, many of which are fragrant. Many rose bushes, and other members of the Genus Rosa, have been staples in ornamental gardens across the globe for centuries.