An attempt to clarify taxonomic relationships in ``Verwandtschaftskreis der Gattung Ligusticum' (Umbelliferae-Apioideae) by molecular analysis |
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| Authors: | C. M. Valiejo-Roman V. S. Shneyer T. H. Samigullin E. I. Terentieva M. G. Pimenov |
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| Affiliation: | (1) Department of Evolutionary Biochemistry, A.N. Belozersky Institute, Moscow State University, Moscow, 119992, Russia;(2) Komarov Botanical Institute, Russian Academy of Sciences, St. Petersburg, 197376, Russia;(3) Botanical Garden of Moscow State University, Moscow State University, Moscow, 119992, Russia |
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| Abstract: | Relationships among the taxa of Umbelliferae, presumably close to Ligusticum and Selinum were investigated by two independent molecular taxonomic methods. 134 ITS 1-2 sequences were analyzed (29 new and 2 reinvestigated species) and immunochemical comparison of storage seed proteins for 38 species of Apioideae of Ligusticum affinity was performed, eight reference systems (antisera) were used. Both approaches yield similar results, showing the extremely polyphyletic nature of this group and some large genera (Ligusticum s.l., Selinum s.l., Pachypleurum) in the Umbelliferae. The independent status of the genera Magadania, Sphaenolobium, Arafoe, Lomatocarpa, Dimorphosciadium and some other segregates of Ligusticum, Cnidium and Selinum have been confirmed, but Cnidium proved to be unnatural even as currently circumscribed. In the group of East Asian taxa the genera Oreocome, Ligusticopsis, Cortia and Cortiella appeared to be closely related. Haplosphaera was shown to be a genus of Hansenia-Notopterygium group. |
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| Keywords: | Umbelliferae Apioideae Ligusticum Selinum Cnidium ITS nrDNA immunochemistry molecular systematics |
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