Three new species of the genus Craniospermum (Boraginaceae) from Mongolia
Three new species of the genus Craniospermum Lehm. (Boraginaceae Juss.) from alpine zone of Gobi Altai and Dzungaria from Mongolia are described. The morphological and ecologic-coenotical peculiarities of the new species C. kamelinii Ovczinnikova and C. gubanovii Ovczinnikova from the sect. Leucolachnos Ovczinnikova and theirs distinctions from C. canescens DC., and new species C. montano-stepposum Ovczinnikova from the sect. Diploloma (Schrenk) Popov and its distinctions from C. tuvinicum Ovczinnikova are considered. The new species are endemics of Mongolia.