Craniospermum volkovae (Boraginaceae), a new species from Mongolia
A new species Craniospermum volkovae Ovczinnikova (Boraginaceae) from relationship of C. pseudotuvinicum Ovczinnikova et A. Korolyuk, is described from the Central Mongolian-Altai province of Mongolia. Morphological and ecologo-cenotic peculiarities of the new species are discussed, and the necessity of its treatment within a separate section Pseudotuvinica Ovczinnikova is substantiated.