Abstract
In the flora of Nakhchivan Autonomous Republic, nectar and pollen plants are not only a natural resource, but also an inexhaustible source of resources. A more detailed study of their species composition and communication of information to the population is one of the most urgent issues of our time. As a result of floristic research, 359 species of honeybee and pollen-bearing plants were found in the biodiversity of flora of Nakhchivan Autonomous Republic. Of them 126 taxa belonging to 22 genus of family Rosaceae consist of trees and shrubs. The article considers their taxonomic composition and provides information on the biological features of some species of exceptional importance in the development of beekeeping. As a result of analysis, taking into account that 19 species of trees and shrubs giving nectar and pollen are rare and endangered, the zones of their distribution have been specified, maps have been drawn up, the reasons for their disappearance have been clarified and they have been included in the Red Book of the Nakhchivan Autonomous Republic.
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