Abstract
In the article the results of an analysis of the species composition of wild plants of the Rosaceae Juss familywere presented. As a result of floristic analysis, it was established that in the northwestern part of the ZhetysuAlatau there are 91 species belonging to the Rosaceae family, belonging to 24 genera. The leading genera inthis area are: Potentilla — 24, Cotoneaster — 9, Rosa -9, Alchimilla -7, Crataegus — 5, etc. According toecological and morphological classifications, all useful species were ranked into 4 groups (trees, shrubs, subshrubs,herbaceous perennials). Spectra of useful properties were shown (use in scientific medicine and infolk medicine, such as vitamins, decorative, food, etc.). 12 groups of medicinal types were ranked accordingto pharmacotherapeutic activity.