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Phylogeny and infrageneric delimitation in Spiraea (Rosaceae) inferred from AFLP markers and a comparison with morphology
- 1.0486411 - ÚEB 2018 RIV GB eng J - Journal Article
Záveská Drábková, Lenka - Pospíšková, M. - Businský, R.
Phylogeny and infrageneric delimitation in Spiraea (Rosaceae) inferred from AFLP markers and a comparison with morphology.
Botanical Journal of the Linnean Society. Roč. 185, č. 4 (2017), s. 525-541. ISSN 0024-4074. E-ISSN 1095-8339
R&D Projects: GA ČR(CZ) GA16-14649S
Institutional support: RVO:61389030
Keywords : classification * spiraeoideae * networks * aflp * Bayesian analysis * maximum parsimony * neighbour network * taxonomy
OECD category: Plant sciences, botany
Impact factor: 3.124, year: 2017
The genus Spiraea includes > 100 species of deciduous shrubs that are widespread in the temperate and subtropical zone of the Northern Hemisphere. We analysed AFLP markers with four primer pairs and scored 203 polymorphic fragments in 59 Spiraea clones, representing 32 taxa (23 species) from all four currently recognized sections (Spiraea, Calospira, Chamaedryon and Sciadantha). We also included intra- and intersectional cultural hybrids from S. section Spiraea, S. section Spiraea x section Calospira and S. section Spiraea x section Chamaedryon. In total, 161 morphological traits and AFLP data were analysed for 34 taxa using three phylogenetic methods to test the hypothesis of a non-natural concept of an infrageneric division of Spiraea in the current sections and their inadequate delimitation. Phylogenetic parsimony, Bayesian analysis and neighbour network revealed four main groups corresponding to the principal coordinate analysis. The genetic relationships between significant species of Spiraea and its phylogeny, as inferred from AFLP data, are not compatible with the principle of gradual variation in inflorescence and shoot morphology used in the previously published infrageneric divisions at the level of subgenera and sections.
Permanent Link: http://hdl.handle.net/11104/0281234
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