Aliso: A Journal of Systematic and Evolutionary Botany Volume 22 | Issue 1 Article 31 2006 Phylogeny and New Intrageneric Classification of Allium (Alliaceae) Based on Nuclear Ribosomal DNA ITS Sequences Nikolai Friesen Universität Osnabrück Reinhard M. Fritsch Institute of Plant Genetics and Crop Plant Research Frank R. Blattner Institute of Plant Genetics and Crop Plant Research Follow this and additional works at: http://scholarship.claremont.edu/aliso Part of the Botany Commons Recommended Citation Friesen, Nikolai; Fritsch, Reinhard M.; and Blattner, Frank R. (2006) "Phylogeny and New Intrageneric Classification of Allium (Alliaceae) Based on Nuclear Ribosomal DNA ITS Sequences," Aliso: A Journal of Systematic and Evolutionary Botany: Vol. 22: Iss. 1, Article 31. Available at: http://scholarship.claremont.edu/aliso/vol22/iss1/31 Aliso 22, pp. 372-395 © 2006, Rancho Santa Ana Botanic Garden PHYLOGENY AND NEW INTRAGENERIC CLASSIFICATION OF ALLIUM (ALLIACEAE) BASED ON NUCLEAR RIBOSOMAL DNA ITS SEQUENCES NIKOLAI FRIESEN,l.3 REINHARD M. FRITSCH,2 AND FRANK R. BLATTNER2 2 I Botanical Garden of the University of Osnabriick, Albrechtstr. 29, 49076 Osnabriick, Germany; /nstitute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, 06466 Gatersleben, Germany 3 Corresponding author (
[email protected]) ABSTRACT The internal transcribed spacer region (ITS) of nuclear ribosomal DNA was sequenced from 195 representative species of Allium, two species of Nothoscordum, and one species each of lpheion, Dichelostemma, and Tulbaghia. Within the Allium species the lengths of the ITS regions were in a range from 612 to 661 base pairs and pairwise genetic distances reached up to 46%. The ITS data supported the inclusion of Nectaroscordum, Caloscordum, and Milula into Allium.