Waldsteinia within Geum s.l. (Rosaceae): Main Aspects of Phylogeny and Speciation History

Waldsteinia is a small plant genus inhabiting the temperate regions of Northern Hemisphere. According to latest revisions, included in Geum. We have obtained phylogenetic reconstruction based on nuclear (ITS) and plastid (trnL-trnF) DNA understand structure its relationships with other taxa Geum s.l. Phylogenetic analysis joint ITS + trnL-trnF dataset demonstrated monophyly. The species were better explained by their geographical distribution than morphology. Hence, Euro-Siberian, Northeast Asian, North American phylogeographic groups distinguished, East Asia having been suggested as place origin. Considering incongruence W. geoides (a type species) position trees, together discrepancy between morphology location tree, hybrid origin was for this species. Despite fact that maximowicziana still not fully resolved, we support point view claims it should be separated from ternata aggregate (traditionally including trifolia, s.str., maximowicziana) considered separate doniana, fragarioides, lobata belong single maternal lineage, but observed genetic differences are too serve convincing argument segregation, so remain unresolved.