New taxa of Corydalis section Strictae (Fumariaceae) from northwestern China and Mongolia

Two new species and one variety of genus Corydalis DC. were described, based on the results of the analysis of herbarium collections LE. C. bejschanica Mikhailova, originated from Humboldt Ridge, differs from C. qilianshanica Mikhailova by plant size, simple racemose inflorescence and style length. C. nodosa Mikhailova var. glaucа Mikhailova from Xinjiang differs from the type variety by glaucous leaves with large segments. C. gobica Mikhailova is distributed in Mongolia, and differs from C. adunca Maxim. by grooved nodose stems, simple racemose inflorescence and seeds with peripheral rib; it differs from C. stricta Stephan ex DC. by small bracts and upward directed pedicels.