BOTANICAL JOURNAL OF THE LINNEAN SOCIETY, cilt.146, sa.2, ss.251-255, 2004 (SCI-Expanded)
turcica a new species endemic to north-eastern Turkey is described and illustrated. Morphological differences between the species and the closely related species, N. sativa, are discussed and the IUCN threatened category is proposed. A distribution map of the new species and its related taxon is given. (C) 2004 The Linnean Society of London.