Astragalus ketmentubensis (Fabaceae), a new species from Kyrgyzstan

The paper provides a description of a new species of Astagalus L. section Dissitiflori DC. (Fabaceae) from Kyrgyzstan. Section Dissitiflori (= sect. Xiphidium) is a difficult taxonomic group distributed from Southern, Central and Eastern Europe to Altai and Siberia and from Western to Middle, Central and Southern Asia, includes near 200 species, with hotspots in Iran and Middle Asia. Astagalus ketmentubensis, sp. nov., belongs to the affinity of A. vassilczenkoanus Golosk. and A. fedtschenkoanus Lipsky. First of them is a narrow endemic to Kyrgyz Mt. Ridge and second one is distributed from Chu-Ili mountains (Kazakhstan) to northern Pamir-Alai (Alai and Turkestan Mt. Ridges), while A. ketmentubensis is a rare plant of vicinity of Ketmen-Tyube Depression (Western Tian Shan).