Ph.D. in Agriculture, Professor, Head of Department of Physiology,

Genetics, Plant Breeding and Biotechnology, Sofiyivka National Dendrological Park of NAS of Ukraine

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Teacher, Department of Biology and Methods of Its Teaching, Uman State Pedagogical University named after Pavlo Tychyna

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Ph.D. in Agriculture, Associate Professor, Senior Researcher,

Department of Physiology, Genetics, Plant Breeding and Biotechnology,

Sofiyivka National Dendrological Park of NAS of Ukraine

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Abstract. The information on fruit and decorative value, honey and medicinal properties of the genus Amelanchier Medik. is generalized. Their biological characteristics, chemical composition and palatability traits of the fruit, the ways of consumption and processing, including drying, preparing juices, syrups, jams, candied fruit jellies, confiture, and fruit wine are specified. The environmental adaptability and effectiveness of using juneberry for phytomelioration are mentioned. Several versions of the origin of the genus Amelanchier name and interpretation of its specific epithets are described. The controversial issues of the genus Amelanchier system were discussed from the classical and molecular genetic approaches. The attention is focused on two main aspects of views on the place of the genus Amelanchier representatives of the family Rosaceae Juss. within the particular subfamily, namely the subfamily Pyroideae Burnett (Maloideae S. Weber) or the subfamily Amygdaloideae Arn., which indicates the necessity for further comparative morphological and molecular genetic studies of the family Rosaceae. The directions of evolution, habitat and invasive ability of some species of the genus Amelanchier are characterised. The list of the genus Amelanchier representatives cultivated in Ukraine is given.

Key words: areal, biodiversity, number of chromosomes, DNA sequence, family, floristic region, juneberry, phytomeliorative, taxonomy, tribe.