“It is remarkable how closely the history of the apple-tree is connected with that of man.” –Henry David Thoreau, 1862 The Donald Wyman Crabapple (Malus sp.), one variety of the flowering crabapple, ... Rosaceae (/ roʊˈzeɪsi.iː, - ˌaɪ, - ˌeɪ /), [5][6] the rose family, is a family of flowering plants that includes 4,828 known species in 91 genera. [7][8][9] The name is derived from the type genus Rosa.

Understanding the Context

The family includes herbs, shrubs, and trees. Most species are deciduous, but some are evergreen. [10] . With over 2,500 species in more than 90 genera, the rose family (Rosaceae) is one of the major angiosperm families.

Key Insights

Identify plants and flowers of the Rose family (Rosaceae) with these wildflower identification tools and a photo gallery with plants grouped according to families. Rosaceae: The rose family. General physiognomy. Plants of highly variable habits and leaf designs, from herbaceous ephemerals to long-lived woody shrubs and trees. The Rosaceae is defined as a family of flowering plants that includes approximately 85–90 genera and 2500–3000 species, characterized by their usually stipulate leaves and actinomorphic, generally pentamerous flowers with a hypanthium.

Final Thoughts

The rose family (Rosaceae), in the order Rosales, is a large plant family containing more than 100 genera and 2,000 species of trees, shrubs, and herbs. This family is represented on all continents except Antarctica, but the majority of species are found in Europe, Asia, and North America. Rosaceae is related to Leguminosae and Saxifragaceae due to the presence of stipules, pentamerous flowers, torus, and monocarpellary pistil. The Chrysobalanoideae with zygomorphy connects the Rosaceae with the Papilionaceae.