The article is the first part of a nomenclatural synopsis of the family Fabaceae in the flora of Ukraine. In the process of preparation of the monographic treatment of the family for the Flora of Ukraine series, the taxonomic composition of the family in Ukraine has been revised. According to updated information, Fabaceae is represented in Ukraine by 379 species (including widely cultivated and escaped ones) belonging to 69 genera, or up to 430 species, with those registered as cultivated in gardens and parks. In this treatment, the traditional subdivision of Fabaceae into three subfamilies (Caesalpinioideae DC., Mimosoideae DC. and Faboideae) is accepted for pragmatic considerations, but with new circumscriptions of tribes and genera following new morphological and molecular phylogenetic data. A synopsis of representatives of subfamilies Caesalpinoideae and Mimosoideae, plus some (early-branching) tribes of Faboideae, is provided, with nomenclatural citations, types, and main synonyms.
Keywords: Fabaceae, Caesalpinioideae, Mimosoideae, Faboideae, system, phylogeny, nomenclature, Ukraine
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